diff --git a/dist/jssm.es5.cjs.js b/dist/jssm.es5.cjs.js
index d274478d..9a4caa6a 100644
--- a/dist/jssm.es5.cjs.js
+++ b/dist/jssm.es5.cjs.js
@@ -4751,7 +4751,7 @@ function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr
 
 var parse = require('./jssm-dot.js').parse; // eslint-disable-line flowtype/no-weak-types // todo whargarbl remove any
 
-var version = '4.5.1'; // replaced from package.js in build
+var version = '4.5.2'; // replaced from package.js in build
 
 
 function arrow_direction(arrow) {
diff --git a/dist/jssm.es5.cjs.min.js b/dist/jssm.es5.cjs.min.js
index 1885690f..92725c15 100644
--- a/dist/jssm.es5.cjs.min.js
+++ b/dist/jssm.es5.cjs.min.js
@@ -1 +1 @@
-require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n||e)},l,l.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){"use strict";function peg$SyntaxError(message,expected,found,location){this.message=message,this.expected=expected,this.found=found,this.location=location,this.name="SyntaxError","function"==typeof Error.captureStackTrace&&Error.captureStackTrace(this,peg$SyntaxError)}!function(child,parent){function ctor(){this.constructor=child}ctor.prototype=parent.prototype,child.prototype=new ctor}(peg$SyntaxError,Error),peg$SyntaxError.buildMessage=function(expected,found){function hex(ch){return ch.charCodeAt(0).toString(16).toUpperCase()}function literalEscape(s){return s.replace(/\\/g,"\\\\").replace(/"/g,'\\"').replace(/\0/g,"\\0").replace(/\t/g,"\\t").replace(/\n/g,"\\n").replace(/\r/g,"\\r").replace(/[\x00-\x0F]/g,function(ch){return"\\x0"+hex(ch)}).replace(/[\x10-\x1F\x7F-\x9F]/g,function(ch){return"\\x"+hex(ch)})}function classEscape(s){return s.replace(/\\/g,"\\\\").replace(/\]/g,"\\]").replace(/\^/g,"\\^").replace(/-/g,"\\-").replace(/\0/g,"\\0").replace(/\t/g,"\\t").replace(/\n/g,"\\n").replace(/\r/g,"\\r").replace(/[\x00-\x0F]/g,function(ch){return"\\x0"+hex(ch)}).replace(/[\x10-\x1F\x7F-\x9F]/g,function(ch){return"\\x"+hex(ch)})}function describeExpectation(expectation){return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation)}var DESCRIBE_EXPECTATION_FNS={literal:function(expectation){return'"'+literalEscape(expectation.text)+'"'},class:function(expectation){var i,escapedParts="";for(i=0;i<expectation.parts.length;i++)escapedParts+=expectation.parts[i]instanceof Array?classEscape(expectation.parts[i][0])+"-"+classEscape(expectation.parts[i][1]):classEscape(expectation.parts[i]);return"["+(expectation.inverted?"^":"")+escapedParts+"]"},any:function(expectation){return"any character"},end:function(expectation){return"end of input"},other:function(expectation){return expectation.description}};return"Expected "+function(expected){var i,j,descriptions=new Array(expected.length);for(i=0;i<expected.length;i++)descriptions[i]=describeExpectation(expected[i]);if(descriptions.sort(),descriptions.length>0){for(i=1,j=1;i<descriptions.length;i++)descriptions[i-1]!==descriptions[i]&&(descriptions[j]=descriptions[i],j++);descriptions.length=j}switch(descriptions.length){case 1:return descriptions[0];case 2:return descriptions[0]+" or "+descriptions[1];default:return descriptions.slice(0,-1).join(", ")+", or "+descriptions[descriptions.length-1]}}(expected)+" but "+function(found){return found?'"'+literalEscape(found)+'"':"end of input"}(found)+" found."},module.exports={SyntaxError:peg$SyntaxError,parse:function(input,options){function peg$literalExpectation(text,ignoreCase){return{type:"literal",text:text,ignoreCase:ignoreCase}}function peg$classExpectation(parts,inverted,ignoreCase){return{type:"class",parts:parts,inverted:inverted,ignoreCase:ignoreCase}}function peg$otherExpectation(description){return{type:"other",description:description}}function peg$computePosDetails(pos){var p,details=peg$posDetailsCache[pos];if(details)return details;for(p=pos-1;!peg$posDetailsCache[p];)p--;for(details={line:(details=peg$posDetailsCache[p]).line,column:details.column};p<pos;)10===input.charCodeAt(p)?(details.line++,details.column=1):details.column++,p++;return peg$posDetailsCache[pos]=details,details}function peg$computeLocation(startPos,endPos){var startPosDetails=peg$computePosDetails(startPos),endPosDetails=peg$computePosDetails(endPos);return{start:{offset:startPos,line:startPosDetails.line,column:startPosDetails.column},end:{offset:endPos,line:endPosDetails.line,column:endPosDetails.column}}}function peg$fail(expected){peg$currPos<peg$maxFailPos||(peg$currPos>peg$maxFailPos&&(peg$maxFailPos=peg$currPos,peg$maxFailExpected=[]),peg$maxFailExpected.push(expected))}function peg$buildStructuredError(expected,found,location){return new peg$SyntaxError(peg$SyntaxError.buildMessage(expected,found),expected,found,location)}function peg$parseDocument(){var s0,s2;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED&&(s2=peg$parseTermList())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c0(s2)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseGvizShape(){var s0;return input.substr(peg$currPos,6)===peg$c1?(s0=peg$c1,peg$currPos+=6):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c2)),s0===peg$FAILED&&(input.substr(peg$currPos,9)===peg$c3?(s0=peg$c3,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c4)),s0===peg$FAILED&&(input.substr(peg$currPos,6)===peg$c5?(s0=peg$c5,peg$currPos+=6):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c6)))),s0}function peg$parseForwardLightArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c8?(s0=peg$c8,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c9)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c7),s0}function peg$parseTwoWayLightArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,3)===peg$c11?(s0=peg$c11,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c12)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c10),s0}function peg$parseBackLightArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c14?(s0=peg$c14,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c15)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c13),s0}function peg$parseForwardFatArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c17?(s0=peg$c17,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c18)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c16),s0}function peg$parseTwoWayFatArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,3)===peg$c20?(s0=peg$c20,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c21)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c19),s0}function peg$parseBackFatArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c23?(s0=peg$c23,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c24)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c22),s0}function peg$parseForwardTildeArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c26?(s0=peg$c26,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c27)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c25),s0}function peg$parseTwoWayTildeArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,3)===peg$c29?(s0=peg$c29,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c30)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c28),s0}function peg$parseBackTildeArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c32?(s0=peg$c32,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c33)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c31),s0}function peg$parseLightFatArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c35?(s0=peg$c35,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c36)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c34),s0}function peg$parseLightTildeArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c38?(s0=peg$c38,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c39)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c37),s0}function peg$parseFatLightArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c41?(s0=peg$c41,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c42)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c40),s0}function peg$parseFatTildeArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c44?(s0=peg$c44,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c45)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c43),s0}function peg$parseTildeLightArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c47?(s0=peg$c47,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c48)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c46),s0}function peg$parseTildeFatArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c50?(s0=peg$c50,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c51)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c49),s0}function peg$parseLightArrow(){var s0;return peg$silentFails++,(s0=peg$parseForwardLightArrow())===peg$FAILED&&(s0=peg$parseTwoWayLightArrow())===peg$FAILED&&(s0=peg$parseBackLightArrow()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c52),s0}function peg$parseFatArrow(){var s0;return peg$silentFails++,(s0=peg$parseForwardFatArrow())===peg$FAILED&&(s0=peg$parseTwoWayFatArrow())===peg$FAILED&&(s0=peg$parseBackFatArrow()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c53),s0}function peg$parseTildeArrow(){var s0;return peg$silentFails++,(s0=peg$parseForwardTildeArrow())===peg$FAILED&&(s0=peg$parseTwoWayTildeArrow())===peg$FAILED&&(s0=peg$parseBackTildeArrow()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c54),s0}function peg$parseMixedArrow(){var s0;return peg$silentFails++,(s0=peg$parseLightFatArrow())===peg$FAILED&&(s0=peg$parseLightTildeArrow())===peg$FAILED&&(s0=peg$parseFatLightArrow())===peg$FAILED&&(s0=peg$parseFatTildeArrow())===peg$FAILED&&(s0=peg$parseTildeLightArrow())===peg$FAILED&&(s0=peg$parseTildeFatArrow()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c55),s0}function peg$parseArrow(){var s0;return peg$silentFails++,(s0=peg$parseMixedArrow())===peg$FAILED&&(s0=peg$parseLightArrow())===peg$FAILED&&(s0=peg$parseFatArrow())===peg$FAILED&&(s0=peg$parseTildeArrow()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c56),s0}function peg$parseHexDigit(){var s0;return peg$c57.test(input.charAt(peg$currPos))?(s0=input.charAt(peg$currPos),peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c58)),s0}function peg$parseChar(){var s0,s2,s3,s4,s5,s6,s7,s8,s9;return(s0=peg$parseUnescaped())===peg$FAILED&&(s0=peg$currPos,peg$parseEscape()!==peg$FAILED?(34===input.charCodeAt(peg$currPos)?(s2=peg$c59,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c60)),s2===peg$FAILED&&(92===input.charCodeAt(peg$currPos)?(s2=peg$c61,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c62)),s2===peg$FAILED&&(47===input.charCodeAt(peg$currPos)?(s2=peg$c63,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c64)),s2===peg$FAILED&&(s2=peg$currPos,98===input.charCodeAt(peg$currPos)?(s3=peg$c65,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c66)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c67()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,102===input.charCodeAt(peg$currPos)?(s3=peg$c68,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c69)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c70()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,110===input.charCodeAt(peg$currPos)?(s3=peg$c71,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c72)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c73()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,114===input.charCodeAt(peg$currPos)?(s3=peg$c74,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c75)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c76()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,116===input.charCodeAt(peg$currPos)?(s3=peg$c77,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c78)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c79()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,118===input.charCodeAt(peg$currPos)?(s3=peg$c80,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c81)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c82()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,117===input.charCodeAt(peg$currPos)?(s3=peg$c83,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c84)),s3!==peg$FAILED?(s4=peg$currPos,s5=peg$currPos,(s6=peg$parseHexDigit())!==peg$FAILED&&(s7=peg$parseHexDigit())!==peg$FAILED&&(s8=peg$parseHexDigit())!==peg$FAILED&&(s9=peg$parseHexDigit())!==peg$FAILED?s5=s6=[s6,s7,s8,s9]:(peg$currPos=s5,s5=peg$FAILED),(s4=s5!==peg$FAILED?input.substring(s4,peg$currPos):s5)!==peg$FAILED?(peg$savedPos=s2,s2=s3=peg$c85(s4)):(peg$currPos=s2,s2=peg$FAILED)):(peg$currPos=s2,s2=peg$FAILED)))))))))),s2!==peg$FAILED?(peg$savedPos=s0,s0=peg$c86(s2)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)),s0}function peg$parseEscape(){var s0;return 92===input.charCodeAt(peg$currPos)?(s0=peg$c61,peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c62)),s0}function peg$parseQuoteMark(){var s0;return 34===input.charCodeAt(peg$currPos)?(s0=peg$c59,peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c60)),s0}function peg$parseUnescaped(){var s0;return peg$c87.test(input.charAt(peg$currPos))?(s0=input.charAt(peg$currPos),peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c88)),s0}function peg$parseActionLabelChar(){var s0,s2,s3,s4,s5,s6,s7,s8,s9;return(s0=peg$parseActionLabelUnescaped())===peg$FAILED&&(s0=peg$currPos,peg$parseEscape()!==peg$FAILED?(39===input.charCodeAt(peg$currPos)?(s2=peg$c89,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c90)),s2===peg$FAILED&&(92===input.charCodeAt(peg$currPos)?(s2=peg$c61,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c62)),s2===peg$FAILED&&(47===input.charCodeAt(peg$currPos)?(s2=peg$c63,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c64)),s2===peg$FAILED&&(s2=peg$currPos,98===input.charCodeAt(peg$currPos)?(s3=peg$c65,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c66)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c67()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,102===input.charCodeAt(peg$currPos)?(s3=peg$c68,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c69)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c70()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,110===input.charCodeAt(peg$currPos)?(s3=peg$c71,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c72)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c73()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,114===input.charCodeAt(peg$currPos)?(s3=peg$c74,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c75)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c76()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,116===input.charCodeAt(peg$currPos)?(s3=peg$c77,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c78)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c79()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,118===input.charCodeAt(peg$currPos)?(s3=peg$c80,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c81)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c82()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,117===input.charCodeAt(peg$currPos)?(s3=peg$c83,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c84)),s3!==peg$FAILED?(s4=peg$currPos,s5=peg$currPos,(s6=peg$parseHexDigit())!==peg$FAILED&&(s7=peg$parseHexDigit())!==peg$FAILED&&(s8=peg$parseHexDigit())!==peg$FAILED&&(s9=peg$parseHexDigit())!==peg$FAILED?s5=s6=[s6,s7,s8,s9]:(peg$currPos=s5,s5=peg$FAILED),(s4=s5!==peg$FAILED?input.substring(s4,peg$currPos):s5)!==peg$FAILED?(peg$savedPos=s2,s2=s3=peg$c85(s4)):(peg$currPos=s2,s2=peg$FAILED)):(peg$currPos=s2,s2=peg$FAILED)))))))))),s2!==peg$FAILED?(peg$savedPos=s0,s0=peg$c86(s2)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)),s0}function peg$parseActionLabelQuoteMark(){var s0;return 39===input.charCodeAt(peg$currPos)?(s0=peg$c89,peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c90)),s0}function peg$parseActionLabelUnescaped(){var s0;return peg$c91.test(input.charAt(peg$currPos))?(s0=input.charAt(peg$currPos),peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c92)),s0}function peg$parseActionLabel(){var s0,s2,s3;if(peg$silentFails++,s0=peg$currPos,peg$parseActionLabelQuoteMark()!==peg$FAILED){for(s2=[],s3=peg$parseActionLabelChar();s3!==peg$FAILED;)s2.push(s3),s3=peg$parseActionLabelChar();s2!==peg$FAILED&&(s3=peg$parseActionLabelQuoteMark())!==peg$FAILED?(peg$savedPos=s0,s0=peg$c94(s2)):(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;return peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c93),s0}function peg$parseLineTerminator(){var s0;return peg$c95.test(input.charAt(peg$currPos))?(s0=input.charAt(peg$currPos),peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c96)),s0}function peg$parseWhitespace(){var s0,s1;for(peg$silentFails++,s0=[],peg$c98.test(input.charAt(peg$currPos))?(s1=input.charAt(peg$currPos),peg$currPos++):(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c99));s1!==peg$FAILED;)s0.push(s1),peg$c98.test(input.charAt(peg$currPos))?(s1=input.charAt(peg$currPos),peg$currPos++):(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c99));return peg$silentFails--,s0===peg$FAILED&&(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c97)),s0}function peg$parseString(){var s0,s2,s3;if(peg$silentFails++,s0=peg$currPos,peg$parseQuoteMark()!==peg$FAILED){for(s2=[],s3=peg$parseChar();s3!==peg$FAILED;)s2.push(s3),s3=peg$parseChar();s2!==peg$FAILED&&(s3=peg$parseQuoteMark())!==peg$FAILED?(peg$savedPos=s0,s0=peg$c94(s2)):(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;return peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c100),s0}function peg$parseAtom(){var s0,s1,s2;if(peg$silentFails++,s0=peg$currPos,s1=[],peg$c102.test(input.charAt(peg$currPos))?(s2=input.charAt(peg$currPos),peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c103)),s2!==peg$FAILED)for(;s2!==peg$FAILED;)s1.push(s2),peg$c102.test(input.charAt(peg$currPos))?(s2=input.charAt(peg$currPos),peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c103));else s1=peg$FAILED;return s1!==peg$FAILED&&(peg$savedPos=s0,s1=peg$c104(s1)),s0=s1,peg$silentFails--,s0===peg$FAILED&&(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c101)),s0}function peg$parseLabel(){var s0;return peg$silentFails++,(s0=peg$parseAtom())===peg$FAILED&&(s0=peg$parseString()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c105),s0}function peg$parseColor(){var s0;return peg$silentFails++,input.substr(peg$currPos,3)===peg$c107?(s0=peg$c107,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c108)),s0===peg$FAILED&&(input.substr(peg$currPos,5)===peg$c109?(s0=peg$c109,peg$currPos+=5):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c110)),s0===peg$FAILED&&(input.substr(peg$currPos,4)===peg$c111?(s0=peg$c111,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c112)))),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c106),s0}function peg$parseArrowItemKey(){var s0;return input.substr(peg$currPos,9)===peg$c113?(s0=peg$c113,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c114)),s0===peg$FAILED&&(input.substr(peg$currPos,10)===peg$c115?(s0=peg$c115,peg$currPos+=10):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c116)),s0===peg$FAILED&&(input.substr(peg$currPos,10)===peg$c117?(s0=peg$c117,peg$currPos+=10):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c118)))),s0}function peg$parseArrowItem(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED&&(s2=peg$parseArrowItemKey())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseLabel())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c123(s2,s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseSingleEdgeColor(){var s0,s2,s4,s6,s8;return peg$silentFails++,s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,10)===peg$c125?(s2=peg$c125,peg$currPos+=10):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c126)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseColor())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c127(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c124),s0}function peg$parseArrowItems(){var s0,s1;if((s0=peg$parseSingleEdgeColor())===peg$FAILED)if(s0=[],(s1=peg$parseArrowItem())!==peg$FAILED)for(;s1!==peg$FAILED;)s0.push(s1),s1=peg$parseArrowItem();else s0=peg$FAILED;return s0}function peg$parseArrowDesc(){var s0,s1,s3,s5;return s0=peg$currPos,123===input.charCodeAt(peg$currPos)?(s1=peg$c128,peg$currPos++):(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c129)),s1!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s3=peg$parseArrowItems())===peg$FAILED&&(s3=null),s3!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(125===input.charCodeAt(peg$currPos)?(s5=peg$c130,peg$currPos++):(s5=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c131)),s5!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c132(s3)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseLabelList(){var s0,s1,s3,s4,s5,s6;if(s0=peg$currPos,91===input.charCodeAt(peg$currPos)?(s1=peg$c133,peg$currPos++):(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c134)),s1!==peg$FAILED)if(peg$parseWhitespace()!==peg$FAILED){for(s3=[],s4=peg$currPos,(s5=peg$parseLabel())!==peg$FAILED&&(s6=peg$parseWhitespace())!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED);s4!==peg$FAILED;)s3.push(s4),s4=peg$currPos,(s5=peg$parseLabel())!==peg$FAILED&&(s6=peg$parseWhitespace())!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED);s3!==peg$FAILED?(93===input.charCodeAt(peg$currPos)?(s4=peg$c135,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c136)),s4!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c137(s3)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;return s0}function peg$parseLabelOrLabelList(){var s0;return(s0=peg$parseLabelList())===peg$FAILED&&(s0=peg$parseLabel()),s0}function peg$parseSubexp(){var s0,s2,s4,s6,s8,s10,s12,s14;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?((s2=peg$parseActionLabel())===peg$FAILED&&(s2=null),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s4=peg$parseArrowDesc())===peg$FAILED&&(s4=null),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseArrow())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s8=peg$parseArrowDesc())===peg$FAILED&&(s8=null),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s10=peg$parseActionLabel())===peg$FAILED&&(s10=null),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s12=peg$parseLabelOrLabelList())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s14=peg$parseSubexp())===peg$FAILED&&(s14=null),s14!==peg$FAILED?(peg$savedPos=s0,s0=peg$c138(s2,s4,s6,s8,s10,s12,s14)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseExp(){var s0,s1,s2,s4;return s0=peg$currPos,(s1=peg$parseLabelOrLabelList())!==peg$FAILED&&(s2=peg$parseSubexp())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s4=peg$c121,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c139(s1,s2)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseValidationKey(){var s0;return input.substr(peg$currPos,9)===peg$c140?(s0=peg$c140,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c141)),s0===peg$FAILED&&(input.substr(peg$currPos,4)===peg$c142?(s0=peg$c142,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c143))),s0}function peg$parseValidationItem(){var s0,s1,s2,s3,s4;return s0=peg$currPos,(s1=peg$parseValidationKey())!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s2=peg$c119,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s2!==peg$FAILED&&(s3=peg$parseLabel())!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s4=peg$c121,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s4!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c144(s1,s3)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseValidationItems(){var s0,s1;if(s0=[],(s1=peg$parseValidationItem())!==peg$FAILED)for(;s1!==peg$FAILED;)s0.push(s1),s1=peg$parseValidationItem();else s0=peg$FAILED;return s0}function peg$parseConfigValidation(){var s0,s2,s4,s6,s8,s10;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,10)===peg$c145?(s2=peg$c145,peg$currPos+=10):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c146)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(123===input.charCodeAt(peg$currPos)?(s6=peg$c128,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c129)),s6!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s8=peg$parseValidationItems())===peg$FAILED&&(s8=null),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,2)===peg$c147?(s10=peg$c147,peg$currPos+=2):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c148)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c149(s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseGvizLayout(){var s0;return input.substr(peg$currPos,3)===peg$c150?(s0=peg$c150,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c151)),s0===peg$FAILED&&(input.substr(peg$currPos,5)===peg$c152?(s0=peg$c152,peg$currPos+=5):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c153)),s0===peg$FAILED&&(input.substr(peg$currPos,3)===peg$c154?(s0=peg$c154,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c155)),s0===peg$FAILED&&(input.substr(peg$currPos,5)===peg$c156?(s0=peg$c156,peg$currPos+=5):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c157))))),s0}function peg$parseStateItemShapeKey(){var s0;return input.substr(peg$currPos,8)===peg$c158?(s0=peg$c158,peg$currPos+=8):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c159)),s0===peg$FAILED&&(input.substr(peg$currPos,9)===peg$c160?(s0=peg$c160,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c161)),s0===peg$FAILED&&(input.substr(peg$currPos,10)===peg$c162?(s0=peg$c162,peg$currPos+=10):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c163)))),s0}function peg$parseStateItemShape(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED&&(s2=peg$parseStateItemShapeKey())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseGvizShape())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c123(s2,s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseStateItems(){var s0,s1;if(s0=[],(s1=peg$parseStateItemShape())!==peg$FAILED)for(;s1!==peg$FAILED;)s0.push(s1),s1=peg$parseStateItemShape();else s0=peg$FAILED;return s0}function peg$parseConfigState(){var s0,s2,s4,s6,s8,s10;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,5)===peg$c164?(s2=peg$c164,peg$currPos+=5):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c165)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(123===input.charCodeAt(peg$currPos)?(s6=peg$c128,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c129)),s6!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s8=peg$parseStateItems())===peg$FAILED&&(s8=null),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,2)===peg$c147?(s10=peg$c147,peg$currPos+=2):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c148)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c166(s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseActionKey(){var s0;return input.substr(peg$currPos,9)===peg$c140?(s0=peg$c140,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c141)),s0===peg$FAILED&&(input.substr(peg$currPos,4)===peg$c142?(s0=peg$c142,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c143))),s0}function peg$parseActionItem(){var s0,s1,s2,s3,s4;return s0=peg$currPos,(s1=peg$parseActionKey())!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s2=peg$c119,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s2!==peg$FAILED&&(s3=peg$parseLabel())!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s4=peg$c121,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s4!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c167(s1,s3)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseActionItems(){var s0,s1;if(s0=[],(s1=peg$parseActionItem())!==peg$FAILED)for(;s1!==peg$FAILED;)s0.push(s1),s1=peg$parseActionItem();else s0=peg$FAILED;return s0}function peg$parseConfigAction(){var s0,s2,s4,s6,s8,s10;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,6)===peg$c168?(s2=peg$c168,peg$currPos+=6):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c169)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(123===input.charCodeAt(peg$currPos)?(s6=peg$c128,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c129)),s6!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s8=peg$parseActionItems())===peg$FAILED&&(s8=null),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,2)===peg$c147?(s10=peg$c147,peg$currPos+=2):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c148)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c170(s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseTransitionKey(){var s0;return input.substr(peg$currPos,9)===peg$c140?(s0=peg$c140,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c141)),s0===peg$FAILED&&(input.substr(peg$currPos,4)===peg$c142?(s0=peg$c142,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c143))),s0}function peg$parseTransitionItem(){var s0,s1,s2,s3,s4;return s0=peg$currPos,(s1=peg$parseTransitionKey())!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s2=peg$c119,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s2!==peg$FAILED&&(s3=peg$parseLabel())!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s4=peg$c121,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s4!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c171(s1,s3)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseTransitionItems(){var s0,s1;if((s0=peg$parseGraphDefaultEdgeColor())===peg$FAILED)if(s0=[],(s1=peg$parseTransitionItem())!==peg$FAILED)for(;s1!==peg$FAILED;)s0.push(s1),s1=peg$parseTransitionItem();else s0=peg$FAILED;return s0}function peg$parseGraphDefaultEdgeColor(){var s0,s2,s4,s6,s8;return peg$silentFails++,s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,10)===peg$c125?(s2=peg$c125,peg$currPos+=10):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c126)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseColor())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c173(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c172),s0}function peg$parseConfigTransition(){var s0,s2,s4,s6,s8,s10;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,10)===peg$c174?(s2=peg$c174,peg$currPos+=10):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c175)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(123===input.charCodeAt(peg$currPos)?(s6=peg$c128,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c129)),s6!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s8=peg$parseTransitionItems())===peg$FAILED&&(s8=null),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,2)===peg$c147?(s10=peg$c147,peg$currPos+=2):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c148)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c176(s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseConfigGraphLayout(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,12)===peg$c177?(s2=peg$c177,peg$currPos+=12):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c178)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseGvizLayout())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c179(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseConfigStartNodes(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,11)===peg$c180?(s2=peg$c180,peg$currPos+=11):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c181)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseLabelList())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c182(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseConfigEndNodes(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,9)===peg$c183?(s2=peg$c183,peg$currPos+=9):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c184)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseLabelList())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c185(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseConfigGraphBgColor(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,14)===peg$c186?(s2=peg$c186,peg$currPos+=14):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c187)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseColor())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c188(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseConfig(){var s0;return peg$silentFails++,(s0=peg$parseConfigGraphLayout())===peg$FAILED&&(s0=peg$parseConfigStartNodes())===peg$FAILED&&(s0=peg$parseConfigEndNodes())===peg$FAILED&&(s0=peg$parseConfigTransition())===peg$FAILED&&(s0=peg$parseConfigAction())===peg$FAILED&&(s0=peg$parseConfigState())===peg$FAILED&&(s0=peg$parseConfigValidation())===peg$FAILED&&(s0=peg$parseConfigGraphBgColor()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c189),s0}function peg$parseStateColor(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,5)===peg$c190?(s2=peg$c190,peg$currPos+=5):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c191)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseColor())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c192(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseArbitraryStateQuality(){var s0,s2,s4,s6,s8;return peg$silentFails++,s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED&&(s2=peg$parseLabel())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseLabel())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c194(s2,s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c193),s0}function peg$parseStateQuality(){var s0;return(s0=peg$parseStateColor())===peg$FAILED&&(s0=peg$parseArbitraryStateQuality()),s0}function peg$parseStateDef(){var s0,s2,s4,s6,s8,s9,s10,s12;if(peg$silentFails++,s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED)if(input.substr(peg$currPos,5)===peg$c164?(s2=peg$c164,peg$currPos+=5):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c165)),s2!==peg$FAILED)if(peg$parseWhitespace()!==peg$FAILED)if((s4=peg$parseLabel())!==peg$FAILED)if(peg$parseWhitespace()!==peg$FAILED)if(91===input.charCodeAt(peg$currPos)?(s6=peg$c133,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c134)),s6!==peg$FAILED)if(peg$parseWhitespace()!==peg$FAILED){for(s8=[],s9=peg$parseStateQuality();s9!==peg$FAILED;)s8.push(s9),s9=peg$parseStateQuality();s8!==peg$FAILED&&(s9=peg$parseWhitespace())!==peg$FAILED?(93===input.charCodeAt(peg$currPos)?(s10=peg$c135,peg$currPos++):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c136)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s12=peg$c121,peg$currPos++):(s12=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s12!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c196(s4,s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;return peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c195),s0}function peg$parseMachineName(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,12)===peg$c197?(s2=peg$c197,peg$currPos+=12):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c198)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseLabel())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c199(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseStateGroupDef(){var s0,s2,s4,s6,s8,s10;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,5)===peg$c200?(s2=peg$c200,peg$currPos+=5):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c201)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s4=peg$parseLabel())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s6=peg$c119,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s6!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s8=peg$parseLabelOrLabelList())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s10=peg$c121,peg$currPos++):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c202(s4,s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseComment(){var s0,s1,s2,s3,s4,s5,s6;if(s0=peg$currPos,(s1=peg$parseWhitespace())!==peg$FAILED)if(input.substr(peg$currPos,2)===peg$c203?(s2=peg$c203,peg$currPos+=2):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c204)),s2!==peg$FAILED){for(s3=[],s4=peg$currPos,s5=peg$currPos,peg$silentFails++,input.substr(peg$currPos,2)===peg$c205?(s6=peg$c205,peg$currPos+=2):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c206)),peg$silentFails--,s6===peg$FAILED?s5=void 0:(peg$currPos=s5,s5=peg$FAILED),s5!==peg$FAILED?(input.length>peg$currPos?(s6=input.charAt(peg$currPos),peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c207)),s6!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED)):(peg$currPos=s4,s4=peg$FAILED);s4!==peg$FAILED;)s3.push(s4),s4=peg$currPos,s5=peg$currPos,peg$silentFails++,input.substr(peg$currPos,2)===peg$c205?(s6=peg$c205,peg$currPos+=2):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c206)),peg$silentFails--,s6===peg$FAILED?s5=void 0:(peg$currPos=s5,s5=peg$FAILED),s5!==peg$FAILED?(input.length>peg$currPos?(s6=input.charAt(peg$currPos),peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c207)),s6!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED)):(peg$currPos=s4,s4=peg$FAILED);s3!==peg$FAILED?(input.substr(peg$currPos,2)===peg$c205?(s4=peg$c205,peg$currPos+=2):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c206)),s4!==peg$FAILED&&(s5=peg$parseWhitespace())!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c208()):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;if(s0===peg$FAILED)if(s0=peg$currPos,(s1=peg$parseWhitespace())!==peg$FAILED)if(input.substr(peg$currPos,2)===peg$c209?(s2=peg$c209,peg$currPos+=2):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c210)),s2!==peg$FAILED){for(s3=[],s4=peg$currPos,s5=peg$currPos,peg$silentFails++,s6=peg$parseLineTerminator(),peg$silentFails--,s6===peg$FAILED?s5=void 0:(peg$currPos=s5,s5=peg$FAILED),s5!==peg$FAILED?(input.length>peg$currPos?(s6=input.charAt(peg$currPos),peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c207)),s6!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED)):(peg$currPos=s4,s4=peg$FAILED);s4!==peg$FAILED;)s3.push(s4),s4=peg$currPos,s5=peg$currPos,peg$silentFails++,s6=peg$parseLineTerminator(),peg$silentFails--,s6===peg$FAILED?s5=void 0:(peg$currPos=s5,s5=peg$FAILED),s5!==peg$FAILED?(input.length>peg$currPos?(s6=input.charAt(peg$currPos),peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c207)),s6!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED)):(peg$currPos=s4,s4=peg$FAILED);s3!==peg$FAILED&&(s4=peg$parseWhitespace())!==peg$FAILED?s0=s1=[s1,s2,s3,s4]:(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;return s0}function peg$parseTerm(){var s0;return(s0=peg$parseComment())===peg$FAILED&&(s0=peg$parseExp())===peg$FAILED&&(s0=peg$parseStateDef())===peg$FAILED&&(s0=peg$parseMachineName())===peg$FAILED&&(s0=peg$parseStateGroupDef())===peg$FAILED&&(s0=peg$parseConfig()),s0}function peg$parseTermList(){var s0,s1;for(s0=[],s1=peg$parseTerm();s1!==peg$FAILED;)s0.push(s1),s1=peg$parseTerm();return s0}options=void 0!==options?options:{};var peg$result,peg$FAILED={},peg$startRuleFunctions={Document:peg$parseDocument},peg$startRuleFunction=peg$parseDocument,peg$c0=function(e){return e},peg$c1="square",peg$c2=peg$literalExpectation("square",!1),peg$c3="rectangle",peg$c4=peg$literalExpectation("rectangle",!1),peg$c5="circle",peg$c6=peg$literalExpectation("circle",!1),peg$c7=peg$otherExpectation("forward light arrow ->"),peg$c8="->",peg$c9=peg$literalExpectation("->",!1),peg$c10=peg$otherExpectation("two way light arrow <->"),peg$c11="<->",peg$c12=peg$literalExpectation("<->",!1),peg$c13=peg$otherExpectation("back light arrow <-"),peg$c14="<-",peg$c15=peg$literalExpectation("<-",!1),peg$c16=peg$otherExpectation("forward fat arrow =>"),peg$c17="=>",peg$c18=peg$literalExpectation("=>",!1),peg$c19=peg$otherExpectation("two way fat arrow <=>"),peg$c20="<=>",peg$c21=peg$literalExpectation("<=>",!1),peg$c22=peg$otherExpectation("back fat arrow <="),peg$c23="<=",peg$c24=peg$literalExpectation("<=",!1),peg$c25=peg$otherExpectation("forward tilde arrow ~>"),peg$c26="~>",peg$c27=peg$literalExpectation("~>",!1),peg$c28=peg$otherExpectation("two way tilde arrow <~>"),peg$c29="<~>",peg$c30=peg$literalExpectation("<~>",!1),peg$c31=peg$otherExpectation("back tilde arrow <~"),peg$c32="<~",peg$c33=peg$literalExpectation("<~",!1),peg$c34=peg$otherExpectation("light fat arrow <-=>"),peg$c35="<-=>",peg$c36=peg$literalExpectation("<-=>",!1),peg$c37=peg$otherExpectation("light tilde arrow <-~>"),peg$c38="<-~>",peg$c39=peg$literalExpectation("<-~>",!1),peg$c40=peg$otherExpectation("fat light arrow <=->"),peg$c41="<=->",peg$c42=peg$literalExpectation("<=->",!1),peg$c43=peg$otherExpectation("fat tilde arrow <=~>"),peg$c44="<=~>",peg$c45=peg$literalExpectation("<=~>",!1),peg$c46=peg$otherExpectation("tilde light arrow <~->"),peg$c47="<~->",peg$c48=peg$literalExpectation("<~->",!1),peg$c49=peg$otherExpectation("tilde fat arrow <~=>"),peg$c50="<~=>",peg$c51=peg$literalExpectation("<~=>",!1),peg$c52=peg$otherExpectation("light arrow"),peg$c53=peg$otherExpectation("fat arrow"),peg$c54=peg$otherExpectation("tilde arrow"),peg$c55=peg$otherExpectation("mixed arrow"),peg$c56=peg$otherExpectation("arrow"),peg$c57=/^[0-9a-fA-F]/,peg$c58=peg$classExpectation([["0","9"],["a","f"],["A","F"]],!1,!1),peg$c59='"',peg$c60=peg$literalExpectation('"',!1),peg$c61="\\",peg$c62=peg$literalExpectation("\\",!1),peg$c63="/",peg$c64=peg$literalExpectation("/",!1),peg$c65="b",peg$c66=peg$literalExpectation("b",!1),peg$c67=function(){return"\b"},peg$c68="f",peg$c69=peg$literalExpectation("f",!1),peg$c70=function(){return"\f"},peg$c71="n",peg$c72=peg$literalExpectation("n",!1),peg$c73=function(){return"\n"},peg$c74="r",peg$c75=peg$literalExpectation("r",!1),peg$c76=function(){return"\r"},peg$c77="t",peg$c78=peg$literalExpectation("t",!1),peg$c79=function(){return"\t"},peg$c80="v",peg$c81=peg$literalExpectation("v",!1),peg$c82=function(){return"\v"},peg$c83="u",peg$c84=peg$literalExpectation("u",!1),peg$c85=function(digits){return String.fromCharCode(parseInt(digits,16))},peg$c86=function(Sequence){return Sequence},peg$c87=/^[ -!#-[\]-\u10FFFF]/,peg$c88=peg$classExpectation([[" ","!"],["#","["],["]","ჿ"],"F","F"],!1,!1),peg$c89="'",peg$c90=peg$literalExpectation("'",!1),peg$c91=/^[ -&(-[\]-\u10FFFF]/,peg$c92=peg$classExpectation([[" ","&"],["(","["],["]","ჿ"],"F","F"],!1,!1),peg$c93=peg$otherExpectation("action label"),peg$c94=function(chars){return chars.join("")},peg$c95=/^[\n\r\u2028\u2029]/,peg$c96=peg$classExpectation(["\n","\r","\u2028","\u2029"],!1,!1),peg$c97=peg$otherExpectation("whitespace"),peg$c98=/^[ \t\n\r\x0B]/,peg$c99=peg$classExpectation([" ","\t","\n","\r","\v"],!1,!1),peg$c100=peg$otherExpectation("string"),peg$c101=peg$otherExpectation("atom"),peg$c102=/^[0-9a-zA-Z.+_&()%$#@!?,']/,peg$c103=peg$classExpectation([["0","9"],["a","z"],["A","Z"],".","+","_","&","(",")","%","$","#","@","!","?",",","'"],!1,!1),peg$c104=function(text){return text.join("")},peg$c105=peg$otherExpectation("label"),peg$c106=peg$otherExpectation("color"),peg$c107="red",peg$c108=peg$literalExpectation("red",!1),peg$c109="green",peg$c110=peg$literalExpectation("green",!1),peg$c111="blue",peg$c112=peg$literalExpectation("blue",!1),peg$c113="arc_label",peg$c114=peg$literalExpectation("arc_label",!1),peg$c115="head_label",peg$c116=peg$literalExpectation("head_label",!1),peg$c117="tail_label",peg$c118=peg$literalExpectation("tail_label",!1),peg$c119=":",peg$c120=peg$literalExpectation(":",!1),peg$c121=";",peg$c122=peg$literalExpectation(";",!1),peg$c123=function(key,value){return{key:key,value:value}},peg$c124=peg$otherExpectation("single edge color"),peg$c125="edge_color",peg$c126=peg$literalExpectation("edge_color",!1),peg$c127=function(value){return{key:"single_edge_color",value:value}},peg$c128="{",peg$c129=peg$literalExpectation("{",!1),peg$c130="}",peg$c131=peg$literalExpectation("}",!1),peg$c132=function(items){return items},peg$c133="[",peg$c134=peg$literalExpectation("[",!1),peg$c135="]",peg$c136=peg$literalExpectation("]",!1),peg$c137=function(names){return names.map(function(i){return i[0]})},peg$c138=function(r_action,l_desc,arrow,r_desc,l_action,label,tail){var base={kind:arrow,to:label};return tail&&tail!==[]&&(base.se=tail),l_desc&&(base.l_desc=l_desc),r_desc&&(base.r_desc=r_desc),l_action&&(base.l_action=l_action),r_action&&(base.r_action=r_action),base},peg$c139=function(label,se){var base={key:"transition",from:label};return se&&se!==[]&&(base.se=se),base},peg$c140="whargarbl",peg$c141=peg$literalExpectation("whargarbl",!1),peg$c142="todo",peg$c143=peg$literalExpectation("todo",!1),peg$c144=function(validationkey,value){return{key:validationkey,value:value}},peg$c145="validation",peg$c146=peg$literalExpectation("validation",!1),peg$c147="};",peg$c148=peg$literalExpectation("};",!1),peg$c149=function(validation_items){return{config_kind:"validation",config_items:validation_items||[]}},peg$c150="dot",peg$c151=peg$literalExpectation("dot",!1),peg$c152="circo",peg$c153=peg$literalExpectation("circo",!1),peg$c154="fdp",peg$c155=peg$literalExpectation("fdp",!1),peg$c156="neato",peg$c157=peg$literalExpectation("neato",!1),peg$c158="in_shape",peg$c159=peg$literalExpectation("in_shape",!1),peg$c160="out_shape",peg$c161=peg$literalExpectation("out_shape",!1),peg$c162="node_shape",peg$c163=peg$literalExpectation("node_shape",!1),peg$c164="state",peg$c165=peg$literalExpectation("state",!1),peg$c166=function(state_items){return{config_kind:"state",config_items:state_items||[]}},peg$c167=function(actionkey,value){return{key:actionkey,value:value}},peg$c168="action",peg$c169=peg$literalExpectation("action",!1),peg$c170=function(action_items){return{config_kind:"action",config_items:action_items||[]}},peg$c171=function(transitionkey,value){return{key:transitionkey,value:value}},peg$c172=peg$otherExpectation("graph default edge color"),peg$c173=function(value){return{key:"graph_default_edge_color",value:value}},peg$c174="transition",peg$c175=peg$literalExpectation("transition",!1),peg$c176=function(transition_items){return{config_kind:"transition",config_items:transition_items||[]}},peg$c177="graph_layout",peg$c178=peg$literalExpectation("graph_layout",!1),peg$c179=function(value){return{key:"graph_layout",value:value}},peg$c180="start_nodes",peg$c181=peg$literalExpectation("start_nodes",!1),peg$c182=function(value){return{key:"start_nodes",value:value}},peg$c183="end_nodes",peg$c184=peg$literalExpectation("end_nodes",!1),peg$c185=function(value){return{key:"end_nodes",value:value}},peg$c186="graph_bg_color",peg$c187=peg$literalExpectation("graph_bg_color",!1),peg$c188=function(value){return{key:"graph_bg_color",value:value}},peg$c189=peg$otherExpectation("configuration"),peg$c190="color",peg$c191=peg$literalExpectation("color",!1),peg$c192=function(value){return{key:"state color",value:value}},peg$c193=peg$otherExpectation("state quality"),peg$c194=function(name,value){return{key:"state quality",name:name,value:value}},peg$c195=peg$otherExpectation("state definition"),peg$c196=function(name,sq){return{key:"State qualities",value:sq}},peg$c197="machine name",peg$c198=peg$literalExpectation("machine name",!1),peg$c199=function(name){return{key:"Machine name",value:name}},peg$c200="group",peg$c201=peg$literalExpectation("group",!1),peg$c202=function(name,nl){return{key:"group definition",value:{name:name,list:nl}}},peg$c203="/*",peg$c204=peg$literalExpectation("/*",!1),peg$c205="*/",peg$c206=peg$literalExpectation("*/",!1),peg$c207={type:"any"},peg$c208=function(){return{key:"comment"}},peg$c209="//",peg$c210=peg$literalExpectation("//",!1),peg$currPos=0,peg$savedPos=0,peg$posDetailsCache=[{line:1,column:1}],peg$maxFailPos=0,peg$maxFailExpected=[],peg$silentFails=0;if("startRule"in options){if(!(options.startRule in peg$startRuleFunctions))throw new Error("Can't start parsing from rule \""+options.startRule+'".');peg$startRuleFunction=peg$startRuleFunctions[options.startRule]}if((peg$result=peg$startRuleFunction())!==peg$FAILED&&peg$currPos===input.length)return peg$result;throw peg$result!==peg$FAILED&&peg$currPos<input.length&&peg$fail({type:"end"}),peg$buildStructuredError(peg$maxFailExpected,peg$maxFailPos<input.length?input.charAt(peg$maxFailPos):null,peg$maxFailPos<input.length?peg$computeLocation(peg$maxFailPos,peg$maxFailPos+1):peg$computeLocation(peg$maxFailPos,peg$maxFailPos))}}},{}],2:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},weighted_rand_select=function(options){var probability_property=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"probability";if(!Array.isArray(options))throw new TypeError("options must be a non-empty array of objects");if("object"!==_typeof(options[0]))throw new TypeError("options must be a non-empty array of objects");for(var or_one=function(item){return void 0===item?1:item},rnd=function(cap){return Math.random()*cap}(options.reduce(function(acc,val){return acc+or_one(val[probability_property])},0)),cursor=0,cursor_sum=0;(cursor_sum+=or_one(options[cursor++][probability_property]))<=rnd;);return options[cursor-1]},seq=function(n){return new Array(n).fill(!0).map(function(_,i){return i})},histograph=function(a){return a.sort().reduce(function(m,v){return m.set(v,m.has(v)?m.get(v)+1:1),m},new Map)},weighted_sample_select=function(n,options,probability_property){return seq(n).map(function(i){return weighted_rand_select(options,probability_property)})};exports.seq=seq,exports.histograph=histograph,exports.weighted_histo_key=function(n,options,probability_property,extract){return histograph(weighted_sample_select(n,options,probability_property).map(function(s){return s[extract]}))},exports.weighted_rand_select=weighted_rand_select,exports.weighted_sample_select=weighted_sample_select},{}],jssm:[function(require,module,exports){"use strict";function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}function _toConsumableArray(arr){if(Array.isArray(arr)){for(var i=0,arr2=Array(arr.length);i<arr.length;i++)arr2[i]=arr[i];return arr2}return Array.from(arr)}function arrow_left_kind(arrow){switch(String(arrow)){case"->":case"=>":case"~>":return"none";case"<-":case"<->":case"<-=>":case"<-~>":return"legal";case"<=":case"<=>":case"<=->":case"<=~>":return"main";case"<~":case"<~>":case"<~->":case"<~=>":return"forced";default:throw new Error("arrow_direction: unknown arrow type "+arrow)}}function arrow_right_kind(arrow){switch(String(arrow)){case"<-":case"<=":case"<~":return"none";case"->":case"<->":case"<=->":case"<~->":return"legal";case"=>":case"<=>":case"<-=>":case"<~=>":return"main";case"~>":case"<~>":case"<-~>":case"<=~>":return"forced";default:throw new Error("arrow_direction: unknown arrow type "+arrow)}}function compile_rule_transition_step(acc,from,to,this_se,next_se){var edges=[],uFrom=Array.isArray(from)?from:[from],uTo=Array.isArray(to)?to:[to];uFrom.map(function(f){uTo.map(function(t){var rk=arrow_right_kind(this_se.kind),lk=arrow_left_kind(this_se.kind),right={from:f,to:t,kind:rk,forced_only:"forced"===rk,main_path:"main"===rk};this_se.r_action&&(right.action=this_se.r_action),"none"!==right.kind&&edges.push(right);var left={from:t,to:f,kind:lk,forced_only:"forced"===lk,main_path:"main"===lk};this_se.l_action&&(left.action=this_se.l_action),"none"!==left.kind&&edges.push(left)})});var new_acc=acc.concat(edges);return next_se?compile_rule_transition_step(new_acc,to,next_se.to,next_se,next_se.se):new_acc}function compile_rule_handle_transition(rule){return compile_rule_transition_step([],rule.from,rule.se.to,rule.se,rule.se.se)}function compile_rule_handler(rule){if("transition"===rule.key)return{agg_as:"transition",val:compile_rule_handle_transition(rule)};if(["graph_layout","start_nodes","end_nodes"].includes(rule.key))return{agg_as:rule.key,val:rule.value};throw new Error("compile_rule_handler: Unknown rule: "+JSON.stringify(rule))}function compile(tree){var _ref,results={graph_layout:[],transition:[],start_nodes:[],end_nodes:[],initial_state:[]};tree.map(function(tr){var rule=compile_rule_handler(tr),agg_as=rule.agg_as,val=rule.val;results[agg_as]=results[agg_as].concat(val)}),["graph_layout","initial_state"].map(function(oneOnlyKey){if(results[oneOnlyKey].length>1)throw new Error("May only have one "+oneOnlyKey+" statement maximum: "+JSON.stringify(results[oneOnlyKey]))});var assembled_transitions=(_ref=[]).concat.apply(_ref,_toConsumableArray(results.transition)),result_cfg={initial_state:results.start_nodes.length?results.start_nodes[0]:assembled_transitions[0].from,transitions:assembled_transitions};return results.graph_layout.length&&(result_cfg.layout=results.graph_layout[0]),result_cfg}function make(plan){return compile(parse(plan))}Object.defineProperty(exports,"__esModule",{value:!0}),exports.weighted_histo_key=exports.weighted_sample_select=exports.histograph=exports.weighted_rand_select=exports.seq=exports.arrow_right_kind=exports.arrow_left_kind=exports.arrow_direction=exports.sm=exports.compile=exports.parse=exports.make=exports.Machine=exports.version=void 0;var _createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),_jssmUtil=require("./jssm-util.js"),parse=require("./jssm-dot.js").parse,Machine=function(){function Machine(_ref2){var _this=this,initial_state=_ref2.initial_state,_ref2$complete=_ref2.complete,complete=void 0===_ref2$complete?[]:_ref2$complete,transitions=_ref2.transitions,_ref2$layout=_ref2.layout,layout=void 0===_ref2$layout?"dot":_ref2$layout;_classCallCheck(this,Machine),this._state=initial_state,this._states=new Map,this._edges=[],this._edge_map=new Map,this._named_transitions=new Map,this._actions=new Map,this._reverse_actions=new Map,this._reverse_action_targets=new Map,this._layout=layout,transitions.map(function(tr){if(void 0===tr.from)throw new Error("transition must define 'from': "+JSON.stringify(tr));if(void 0===tr.to)throw new Error("transition must define 'to': "+JSON.stringify(tr));var cursor_from=_this._states.get(tr.from)||{name:tr.from,from:[],to:[],complete:complete.includes(tr.from)};_this._states.has(tr.from)||_this._new_state(cursor_from);var cursor_to=_this._states.get(tr.to)||{name:tr.to,from:[],to:[],complete:complete.includes(tr.to)};if(_this._states.has(tr.to)||_this._new_state(cursor_to),cursor_from.to.includes(tr.to))throw new Error("already has "+JSON.stringify(tr.from)+" to "+JSON.stringify(tr.to));cursor_from.to.push(tr.to),cursor_to.from.push(tr.from),_this._edges.push(tr);var thisEdgeId=_this._edges.length-1;if(tr.name){if(_this._named_transitions.has(tr.name))throw new Error('named transition "'+JSON.stringify(tr.name)+'" already created');_this._named_transitions.set(tr.name,thisEdgeId)}var from_mapping=_this._edge_map.get(tr.from)||new Map;if(_this._edge_map.has(tr.from)||_this._edge_map.set(tr.from,from_mapping),from_mapping.set(tr.to,thisEdgeId),tr.action){var actionMap=_this._actions.get(tr.action);if(actionMap||(actionMap=new Map,_this._actions.set(tr.action,actionMap)),actionMap.has(tr.from))throw new Error("action "+JSON.stringify(tr.action)+" already attached to origin "+JSON.stringify(tr.from));actionMap.set(tr.from,thisEdgeId);var rActionMap=_this._reverse_actions.get(tr.from);rActionMap||(rActionMap=new Map,_this._reverse_actions.set(tr.from,rActionMap)),rActionMap.set(tr.action,thisEdgeId),_this._reverse_action_targets.has(tr.to)||_this._reverse_action_targets.set(tr.to,new Map)}})}return _createClass(Machine,[{key:"_new_state",value:function(state_config){if(this._states.has(state_config.name))throw new Error("state "+JSON.stringify(state_config.name)+" already exists");return this._states.set(state_config.name,state_config),state_config.name}},{key:"state",value:function(){return this._state}},{key:"state_is_final",value:function(whichState){return this.state_is_terminal(whichState)&&this.state_is_complete(whichState)}},{key:"is_final",value:function(){return this.state_is_final(this.state())}},{key:"layout",value:function(){return String(this._layout)}},{key:"machine_state",value:function(){return{internal_state_impl_version:1,actions:this._actions,edge_map:this._edge_map,edges:this._edges,named_transitions:this._named_transitions,reverse_actions:this._reverse_actions,state:this._state,states:this._states}}},{key:"states",value:function(){return[].concat(_toConsumableArray(this._states.keys()))}},{key:"state_for",value:function(whichState){var state=this._states.get(whichState);if(state)return state;throw new Error("no such state "+JSON.stringify(state))}},{key:"list_edges",value:function(){return this._edges}},{key:"list_named_transitions",value:function(){return this._named_transitions}},{key:"list_actions",value:function(){return[].concat(_toConsumableArray(this._actions.keys()))}},{key:"get_transition_by_state_names",value:function(from,to){var emg=this._edge_map.get(from);return emg?emg.get(to):void 0}},{key:"lookup_transition_for",value:function(from,to){var id=this.get_transition_by_state_names(from,to);return void 0===id||null===id?void 0:this._edges[id]}},{key:"list_transitions",value:function(){var whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state();return{entrances:this.list_entrances(whichState),exits:this.list_exits(whichState)}}},{key:"list_entrances",value:function(){var whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state();return(this._states.get(whichState)||{}).from||[]}},{key:"list_exits",value:function(){var whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state();return(this._states.get(whichState)||{}).to||[]}},{key:"probable_exits_for",value:function(whichState){var _this2=this,wstate=this._states.get(whichState);if(!wstate)throw new Error("No such state "+JSON.stringify(whichState)+" in probable_exits_for");return wstate.to.map(function(ws){return _this2.lookup_transition_for(_this2.state(),ws)}).filter(Boolean)}},{key:"probabilistic_transition",value:function(){var selected=(0,_jssmUtil.weighted_rand_select)(this.probable_exits_for(this.state()));return this.transition(selected.to)}},{key:"probabilistic_walk",value:function(n){var _this3=this;return(0,_jssmUtil.seq)(n).map(function(){var state_was=_this3.state();return _this3.probabilistic_transition(),state_was}).concat([this.state()])}},{key:"probabilistic_histo_walk",value:function(n){return(0,_jssmUtil.histograph)(this.probabilistic_walk(n))}},{key:"actions",value:function(){var whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state(),wstate=this._reverse_actions.get(whichState);if(wstate)return[].concat(_toConsumableArray(wstate.keys()));throw new Error("No such state "+JSON.stringify(whichState))}},{key:"list_states_having_action",value:function(whichState){var wstate=this._actions.get(whichState);if(wstate)return[].concat(_toConsumableArray(wstate.keys()));throw new Error("No such state "+JSON.stringify(whichState))}},{key:"list_exit_actions",value:function(){var _this4=this,whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state(),ra_base=this._reverse_actions.get(whichState);if(!ra_base)throw new Error("No such state "+JSON.stringify(whichState));return[].concat(_toConsumableArray(ra_base.values())).map(function(edgeId){return _this4._edges[edgeId]}).filter(function(o){return o.from===whichState}).map(function(filtered){return filtered.action})}},{key:"probable_action_exits",value:function(){var _this5=this,whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state(),ra_base=this._reverse_actions.get(whichState);if(!ra_base)throw new Error("No such state "+JSON.stringify(whichState));return[].concat(_toConsumableArray(ra_base.values())).map(function(edgeId){return _this5._edges[edgeId]}).filter(function(o){return o.from===whichState}).map(function(filtered){return{action:filtered.action,probability:filtered.probability}})}},{key:"is_unenterable",value:function(whichState){return 0===this.list_entrances(whichState).length}},{key:"has_unenterables",value:function(){var _this6=this;return this.states().some(function(x){return _this6.is_unenterable(x)})}},{key:"is_terminal",value:function(){return this.state_is_terminal(this.state())}},{key:"state_is_terminal",value:function(whichState){return 0===this.list_exits(whichState).length}},{key:"has_terminals",value:function(){var _this7=this;return this.states().some(function(x){return _this7.state_is_terminal(x)})}},{key:"is_complete",value:function(){return this.state_is_complete(this.state())}},{key:"state_is_complete",value:function(whichState){var wstate=this._states.get(whichState);if(wstate)return wstate.complete;throw new Error("No such state "+JSON.stringify(whichState))}},{key:"has_completes",value:function(){var _this8=this;return this.states().some(function(x){return _this8.state_is_complete(x)})}},{key:"action",value:function(name,newData){if(this.valid_action(name,newData)){var edge=this.current_action_edge_for(name);return this._state=edge.to,!0}return!1}},{key:"transition",value:function(newState,newData){return!!this.valid_transition(newState,newData)&&(this._state=newState,!0)}},{key:"force_transition",value:function(newState,newData){return!!this.valid_force_transition(newState,newData)&&(this._state=newState,!0)}},{key:"current_action_for",value:function(action){var action_base=this._actions.get(action);return action_base?action_base.get(this.state()):void 0}},{key:"current_action_edge_for",value:function(action){var idx=this.current_action_for(action);if(void 0===idx||null===idx)throw new Error("No such action "+JSON.stringify(action));return this._edges[idx]}},{key:"valid_action",value:function(action,_newData){return void 0!==this.current_action_for(action)}},{key:"valid_transition",value:function(newState,_newData){var transition_for=this.lookup_transition_for(this.state(),newState);return!!transition_for&&!transition_for.forced_only}},{key:"valid_force_transition",value:function(newState,_newData){return void 0!==this.lookup_transition_for(this.state(),newState)}}]),Machine}();exports.version="4.5.1",exports.Machine=Machine,exports.make=make,exports.parse=parse,exports.compile=compile,exports.sm=function(template_strings){var _arguments=arguments;return new Machine(make(template_strings.reduce(function(acc,val,idx){return""+acc+_arguments[idx]+val})))},exports.arrow_direction=function(arrow){switch(String(arrow)){case"->":case"=>":case"~>":return"right";case"<-":case"<=":case"<~":return"left";case"<->":case"<-=>":case"<-~>":case"<=>":case"<=->":case"<=~>":case"<~>":case"<~->":case"<~=>":return"both";default:throw new Error("arrow_direction: unknown arrow type "+arrow)}},exports.arrow_left_kind=arrow_left_kind,exports.arrow_right_kind=arrow_right_kind,exports.seq=_jssmUtil.seq,exports.weighted_rand_select=_jssmUtil.weighted_rand_select,exports.histograph=_jssmUtil.histograph,exports.weighted_sample_select=_jssmUtil.weighted_sample_select,exports.weighted_histo_key=_jssmUtil.weighted_histo_key},{"./jssm-dot.js":1,"./jssm-util.js":2}]},{},[]);
\ No newline at end of file
+require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n||e)},l,l.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){"use strict";function peg$SyntaxError(message,expected,found,location){this.message=message,this.expected=expected,this.found=found,this.location=location,this.name="SyntaxError","function"==typeof Error.captureStackTrace&&Error.captureStackTrace(this,peg$SyntaxError)}!function(child,parent){function ctor(){this.constructor=child}ctor.prototype=parent.prototype,child.prototype=new ctor}(peg$SyntaxError,Error),peg$SyntaxError.buildMessage=function(expected,found){function hex(ch){return ch.charCodeAt(0).toString(16).toUpperCase()}function literalEscape(s){return s.replace(/\\/g,"\\\\").replace(/"/g,'\\"').replace(/\0/g,"\\0").replace(/\t/g,"\\t").replace(/\n/g,"\\n").replace(/\r/g,"\\r").replace(/[\x00-\x0F]/g,function(ch){return"\\x0"+hex(ch)}).replace(/[\x10-\x1F\x7F-\x9F]/g,function(ch){return"\\x"+hex(ch)})}function classEscape(s){return s.replace(/\\/g,"\\\\").replace(/\]/g,"\\]").replace(/\^/g,"\\^").replace(/-/g,"\\-").replace(/\0/g,"\\0").replace(/\t/g,"\\t").replace(/\n/g,"\\n").replace(/\r/g,"\\r").replace(/[\x00-\x0F]/g,function(ch){return"\\x0"+hex(ch)}).replace(/[\x10-\x1F\x7F-\x9F]/g,function(ch){return"\\x"+hex(ch)})}function describeExpectation(expectation){return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation)}var DESCRIBE_EXPECTATION_FNS={literal:function(expectation){return'"'+literalEscape(expectation.text)+'"'},class:function(expectation){var i,escapedParts="";for(i=0;i<expectation.parts.length;i++)escapedParts+=expectation.parts[i]instanceof Array?classEscape(expectation.parts[i][0])+"-"+classEscape(expectation.parts[i][1]):classEscape(expectation.parts[i]);return"["+(expectation.inverted?"^":"")+escapedParts+"]"},any:function(expectation){return"any character"},end:function(expectation){return"end of input"},other:function(expectation){return expectation.description}};return"Expected "+function(expected){var i,j,descriptions=new Array(expected.length);for(i=0;i<expected.length;i++)descriptions[i]=describeExpectation(expected[i]);if(descriptions.sort(),descriptions.length>0){for(i=1,j=1;i<descriptions.length;i++)descriptions[i-1]!==descriptions[i]&&(descriptions[j]=descriptions[i],j++);descriptions.length=j}switch(descriptions.length){case 1:return descriptions[0];case 2:return descriptions[0]+" or "+descriptions[1];default:return descriptions.slice(0,-1).join(", ")+", or "+descriptions[descriptions.length-1]}}(expected)+" but "+function(found){return found?'"'+literalEscape(found)+'"':"end of input"}(found)+" found."},module.exports={SyntaxError:peg$SyntaxError,parse:function(input,options){function peg$literalExpectation(text,ignoreCase){return{type:"literal",text:text,ignoreCase:ignoreCase}}function peg$classExpectation(parts,inverted,ignoreCase){return{type:"class",parts:parts,inverted:inverted,ignoreCase:ignoreCase}}function peg$otherExpectation(description){return{type:"other",description:description}}function peg$computePosDetails(pos){var p,details=peg$posDetailsCache[pos];if(details)return details;for(p=pos-1;!peg$posDetailsCache[p];)p--;for(details={line:(details=peg$posDetailsCache[p]).line,column:details.column};p<pos;)10===input.charCodeAt(p)?(details.line++,details.column=1):details.column++,p++;return peg$posDetailsCache[pos]=details,details}function peg$computeLocation(startPos,endPos){var startPosDetails=peg$computePosDetails(startPos),endPosDetails=peg$computePosDetails(endPos);return{start:{offset:startPos,line:startPosDetails.line,column:startPosDetails.column},end:{offset:endPos,line:endPosDetails.line,column:endPosDetails.column}}}function peg$fail(expected){peg$currPos<peg$maxFailPos||(peg$currPos>peg$maxFailPos&&(peg$maxFailPos=peg$currPos,peg$maxFailExpected=[]),peg$maxFailExpected.push(expected))}function peg$buildStructuredError(expected,found,location){return new peg$SyntaxError(peg$SyntaxError.buildMessage(expected,found),expected,found,location)}function peg$parseDocument(){var s0,s2;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED&&(s2=peg$parseTermList())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c0(s2)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseGvizShape(){var s0;return input.substr(peg$currPos,6)===peg$c1?(s0=peg$c1,peg$currPos+=6):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c2)),s0===peg$FAILED&&(input.substr(peg$currPos,9)===peg$c3?(s0=peg$c3,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c4)),s0===peg$FAILED&&(input.substr(peg$currPos,6)===peg$c5?(s0=peg$c5,peg$currPos+=6):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c6)))),s0}function peg$parseForwardLightArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c8?(s0=peg$c8,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c9)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c7),s0}function peg$parseTwoWayLightArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,3)===peg$c11?(s0=peg$c11,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c12)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c10),s0}function peg$parseBackLightArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c14?(s0=peg$c14,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c15)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c13),s0}function peg$parseForwardFatArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c17?(s0=peg$c17,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c18)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c16),s0}function peg$parseTwoWayFatArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,3)===peg$c20?(s0=peg$c20,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c21)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c19),s0}function peg$parseBackFatArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c23?(s0=peg$c23,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c24)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c22),s0}function peg$parseForwardTildeArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c26?(s0=peg$c26,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c27)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c25),s0}function peg$parseTwoWayTildeArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,3)===peg$c29?(s0=peg$c29,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c30)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c28),s0}function peg$parseBackTildeArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,2)===peg$c32?(s0=peg$c32,peg$currPos+=2):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c33)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c31),s0}function peg$parseLightFatArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c35?(s0=peg$c35,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c36)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c34),s0}function peg$parseLightTildeArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c38?(s0=peg$c38,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c39)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c37),s0}function peg$parseFatLightArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c41?(s0=peg$c41,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c42)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c40),s0}function peg$parseFatTildeArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c44?(s0=peg$c44,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c45)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c43),s0}function peg$parseTildeLightArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c47?(s0=peg$c47,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c48)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c46),s0}function peg$parseTildeFatArrow(){var s0;return peg$silentFails++,input.substr(peg$currPos,4)===peg$c50?(s0=peg$c50,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c51)),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c49),s0}function peg$parseLightArrow(){var s0;return peg$silentFails++,(s0=peg$parseForwardLightArrow())===peg$FAILED&&(s0=peg$parseTwoWayLightArrow())===peg$FAILED&&(s0=peg$parseBackLightArrow()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c52),s0}function peg$parseFatArrow(){var s0;return peg$silentFails++,(s0=peg$parseForwardFatArrow())===peg$FAILED&&(s0=peg$parseTwoWayFatArrow())===peg$FAILED&&(s0=peg$parseBackFatArrow()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c53),s0}function peg$parseTildeArrow(){var s0;return peg$silentFails++,(s0=peg$parseForwardTildeArrow())===peg$FAILED&&(s0=peg$parseTwoWayTildeArrow())===peg$FAILED&&(s0=peg$parseBackTildeArrow()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c54),s0}function peg$parseMixedArrow(){var s0;return peg$silentFails++,(s0=peg$parseLightFatArrow())===peg$FAILED&&(s0=peg$parseLightTildeArrow())===peg$FAILED&&(s0=peg$parseFatLightArrow())===peg$FAILED&&(s0=peg$parseFatTildeArrow())===peg$FAILED&&(s0=peg$parseTildeLightArrow())===peg$FAILED&&(s0=peg$parseTildeFatArrow()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c55),s0}function peg$parseArrow(){var s0;return peg$silentFails++,(s0=peg$parseMixedArrow())===peg$FAILED&&(s0=peg$parseLightArrow())===peg$FAILED&&(s0=peg$parseFatArrow())===peg$FAILED&&(s0=peg$parseTildeArrow()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c56),s0}function peg$parseHexDigit(){var s0;return peg$c57.test(input.charAt(peg$currPos))?(s0=input.charAt(peg$currPos),peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c58)),s0}function peg$parseChar(){var s0,s2,s3,s4,s5,s6,s7,s8,s9;return(s0=peg$parseUnescaped())===peg$FAILED&&(s0=peg$currPos,peg$parseEscape()!==peg$FAILED?(34===input.charCodeAt(peg$currPos)?(s2=peg$c59,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c60)),s2===peg$FAILED&&(92===input.charCodeAt(peg$currPos)?(s2=peg$c61,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c62)),s2===peg$FAILED&&(47===input.charCodeAt(peg$currPos)?(s2=peg$c63,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c64)),s2===peg$FAILED&&(s2=peg$currPos,98===input.charCodeAt(peg$currPos)?(s3=peg$c65,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c66)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c67()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,102===input.charCodeAt(peg$currPos)?(s3=peg$c68,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c69)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c70()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,110===input.charCodeAt(peg$currPos)?(s3=peg$c71,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c72)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c73()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,114===input.charCodeAt(peg$currPos)?(s3=peg$c74,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c75)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c76()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,116===input.charCodeAt(peg$currPos)?(s3=peg$c77,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c78)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c79()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,118===input.charCodeAt(peg$currPos)?(s3=peg$c80,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c81)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c82()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,117===input.charCodeAt(peg$currPos)?(s3=peg$c83,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c84)),s3!==peg$FAILED?(s4=peg$currPos,s5=peg$currPos,(s6=peg$parseHexDigit())!==peg$FAILED&&(s7=peg$parseHexDigit())!==peg$FAILED&&(s8=peg$parseHexDigit())!==peg$FAILED&&(s9=peg$parseHexDigit())!==peg$FAILED?s5=s6=[s6,s7,s8,s9]:(peg$currPos=s5,s5=peg$FAILED),(s4=s5!==peg$FAILED?input.substring(s4,peg$currPos):s5)!==peg$FAILED?(peg$savedPos=s2,s2=s3=peg$c85(s4)):(peg$currPos=s2,s2=peg$FAILED)):(peg$currPos=s2,s2=peg$FAILED)))))))))),s2!==peg$FAILED?(peg$savedPos=s0,s0=peg$c86(s2)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)),s0}function peg$parseEscape(){var s0;return 92===input.charCodeAt(peg$currPos)?(s0=peg$c61,peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c62)),s0}function peg$parseQuoteMark(){var s0;return 34===input.charCodeAt(peg$currPos)?(s0=peg$c59,peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c60)),s0}function peg$parseUnescaped(){var s0;return peg$c87.test(input.charAt(peg$currPos))?(s0=input.charAt(peg$currPos),peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c88)),s0}function peg$parseActionLabelChar(){var s0,s2,s3,s4,s5,s6,s7,s8,s9;return(s0=peg$parseActionLabelUnescaped())===peg$FAILED&&(s0=peg$currPos,peg$parseEscape()!==peg$FAILED?(39===input.charCodeAt(peg$currPos)?(s2=peg$c89,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c90)),s2===peg$FAILED&&(92===input.charCodeAt(peg$currPos)?(s2=peg$c61,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c62)),s2===peg$FAILED&&(47===input.charCodeAt(peg$currPos)?(s2=peg$c63,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c64)),s2===peg$FAILED&&(s2=peg$currPos,98===input.charCodeAt(peg$currPos)?(s3=peg$c65,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c66)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c67()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,102===input.charCodeAt(peg$currPos)?(s3=peg$c68,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c69)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c70()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,110===input.charCodeAt(peg$currPos)?(s3=peg$c71,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c72)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c73()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,114===input.charCodeAt(peg$currPos)?(s3=peg$c74,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c75)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c76()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,116===input.charCodeAt(peg$currPos)?(s3=peg$c77,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c78)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c79()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,118===input.charCodeAt(peg$currPos)?(s3=peg$c80,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c81)),s3!==peg$FAILED&&(peg$savedPos=s2,s3=peg$c82()),(s2=s3)===peg$FAILED&&(s2=peg$currPos,117===input.charCodeAt(peg$currPos)?(s3=peg$c83,peg$currPos++):(s3=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c84)),s3!==peg$FAILED?(s4=peg$currPos,s5=peg$currPos,(s6=peg$parseHexDigit())!==peg$FAILED&&(s7=peg$parseHexDigit())!==peg$FAILED&&(s8=peg$parseHexDigit())!==peg$FAILED&&(s9=peg$parseHexDigit())!==peg$FAILED?s5=s6=[s6,s7,s8,s9]:(peg$currPos=s5,s5=peg$FAILED),(s4=s5!==peg$FAILED?input.substring(s4,peg$currPos):s5)!==peg$FAILED?(peg$savedPos=s2,s2=s3=peg$c85(s4)):(peg$currPos=s2,s2=peg$FAILED)):(peg$currPos=s2,s2=peg$FAILED)))))))))),s2!==peg$FAILED?(peg$savedPos=s0,s0=peg$c86(s2)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)),s0}function peg$parseActionLabelQuoteMark(){var s0;return 39===input.charCodeAt(peg$currPos)?(s0=peg$c89,peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c90)),s0}function peg$parseActionLabelUnescaped(){var s0;return peg$c91.test(input.charAt(peg$currPos))?(s0=input.charAt(peg$currPos),peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c92)),s0}function peg$parseActionLabel(){var s0,s2,s3;if(peg$silentFails++,s0=peg$currPos,peg$parseActionLabelQuoteMark()!==peg$FAILED){for(s2=[],s3=peg$parseActionLabelChar();s3!==peg$FAILED;)s2.push(s3),s3=peg$parseActionLabelChar();s2!==peg$FAILED&&(s3=peg$parseActionLabelQuoteMark())!==peg$FAILED?(peg$savedPos=s0,s0=peg$c94(s2)):(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;return peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c93),s0}function peg$parseLineTerminator(){var s0;return peg$c95.test(input.charAt(peg$currPos))?(s0=input.charAt(peg$currPos),peg$currPos++):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c96)),s0}function peg$parseWhitespace(){var s0,s1;for(peg$silentFails++,s0=[],peg$c98.test(input.charAt(peg$currPos))?(s1=input.charAt(peg$currPos),peg$currPos++):(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c99));s1!==peg$FAILED;)s0.push(s1),peg$c98.test(input.charAt(peg$currPos))?(s1=input.charAt(peg$currPos),peg$currPos++):(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c99));return peg$silentFails--,s0===peg$FAILED&&(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c97)),s0}function peg$parseString(){var s0,s2,s3;if(peg$silentFails++,s0=peg$currPos,peg$parseQuoteMark()!==peg$FAILED){for(s2=[],s3=peg$parseChar();s3!==peg$FAILED;)s2.push(s3),s3=peg$parseChar();s2!==peg$FAILED&&(s3=peg$parseQuoteMark())!==peg$FAILED?(peg$savedPos=s0,s0=peg$c94(s2)):(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;return peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c100),s0}function peg$parseAtom(){var s0,s1,s2;if(peg$silentFails++,s0=peg$currPos,s1=[],peg$c102.test(input.charAt(peg$currPos))?(s2=input.charAt(peg$currPos),peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c103)),s2!==peg$FAILED)for(;s2!==peg$FAILED;)s1.push(s2),peg$c102.test(input.charAt(peg$currPos))?(s2=input.charAt(peg$currPos),peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c103));else s1=peg$FAILED;return s1!==peg$FAILED&&(peg$savedPos=s0,s1=peg$c104(s1)),s0=s1,peg$silentFails--,s0===peg$FAILED&&(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c101)),s0}function peg$parseLabel(){var s0;return peg$silentFails++,(s0=peg$parseAtom())===peg$FAILED&&(s0=peg$parseString()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c105),s0}function peg$parseColor(){var s0;return peg$silentFails++,input.substr(peg$currPos,3)===peg$c107?(s0=peg$c107,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c108)),s0===peg$FAILED&&(input.substr(peg$currPos,5)===peg$c109?(s0=peg$c109,peg$currPos+=5):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c110)),s0===peg$FAILED&&(input.substr(peg$currPos,4)===peg$c111?(s0=peg$c111,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c112)))),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c106),s0}function peg$parseArrowItemKey(){var s0;return input.substr(peg$currPos,9)===peg$c113?(s0=peg$c113,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c114)),s0===peg$FAILED&&(input.substr(peg$currPos,10)===peg$c115?(s0=peg$c115,peg$currPos+=10):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c116)),s0===peg$FAILED&&(input.substr(peg$currPos,10)===peg$c117?(s0=peg$c117,peg$currPos+=10):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c118)))),s0}function peg$parseArrowItem(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED&&(s2=peg$parseArrowItemKey())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseLabel())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c123(s2,s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseSingleEdgeColor(){var s0,s2,s4,s6,s8;return peg$silentFails++,s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,10)===peg$c125?(s2=peg$c125,peg$currPos+=10):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c126)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseColor())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c127(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c124),s0}function peg$parseArrowItems(){var s0,s1;if((s0=peg$parseSingleEdgeColor())===peg$FAILED)if(s0=[],(s1=peg$parseArrowItem())!==peg$FAILED)for(;s1!==peg$FAILED;)s0.push(s1),s1=peg$parseArrowItem();else s0=peg$FAILED;return s0}function peg$parseArrowDesc(){var s0,s1,s3,s5;return s0=peg$currPos,123===input.charCodeAt(peg$currPos)?(s1=peg$c128,peg$currPos++):(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c129)),s1!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s3=peg$parseArrowItems())===peg$FAILED&&(s3=null),s3!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(125===input.charCodeAt(peg$currPos)?(s5=peg$c130,peg$currPos++):(s5=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c131)),s5!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c132(s3)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseLabelList(){var s0,s1,s3,s4,s5,s6;if(s0=peg$currPos,91===input.charCodeAt(peg$currPos)?(s1=peg$c133,peg$currPos++):(s1=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c134)),s1!==peg$FAILED)if(peg$parseWhitespace()!==peg$FAILED){for(s3=[],s4=peg$currPos,(s5=peg$parseLabel())!==peg$FAILED&&(s6=peg$parseWhitespace())!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED);s4!==peg$FAILED;)s3.push(s4),s4=peg$currPos,(s5=peg$parseLabel())!==peg$FAILED&&(s6=peg$parseWhitespace())!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED);s3!==peg$FAILED?(93===input.charCodeAt(peg$currPos)?(s4=peg$c135,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c136)),s4!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c137(s3)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;return s0}function peg$parseLabelOrLabelList(){var s0;return(s0=peg$parseLabelList())===peg$FAILED&&(s0=peg$parseLabel()),s0}function peg$parseSubexp(){var s0,s2,s4,s6,s8,s10,s12,s14;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?((s2=peg$parseActionLabel())===peg$FAILED&&(s2=null),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s4=peg$parseArrowDesc())===peg$FAILED&&(s4=null),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseArrow())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s8=peg$parseArrowDesc())===peg$FAILED&&(s8=null),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s10=peg$parseActionLabel())===peg$FAILED&&(s10=null),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s12=peg$parseLabelOrLabelList())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s14=peg$parseSubexp())===peg$FAILED&&(s14=null),s14!==peg$FAILED?(peg$savedPos=s0,s0=peg$c138(s2,s4,s6,s8,s10,s12,s14)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseExp(){var s0,s1,s2,s4;return s0=peg$currPos,(s1=peg$parseLabelOrLabelList())!==peg$FAILED&&(s2=peg$parseSubexp())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s4=peg$c121,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c139(s1,s2)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseValidationKey(){var s0;return input.substr(peg$currPos,9)===peg$c140?(s0=peg$c140,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c141)),s0===peg$FAILED&&(input.substr(peg$currPos,4)===peg$c142?(s0=peg$c142,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c143))),s0}function peg$parseValidationItem(){var s0,s1,s2,s3,s4;return s0=peg$currPos,(s1=peg$parseValidationKey())!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s2=peg$c119,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s2!==peg$FAILED&&(s3=peg$parseLabel())!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s4=peg$c121,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s4!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c144(s1,s3)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseValidationItems(){var s0,s1;if(s0=[],(s1=peg$parseValidationItem())!==peg$FAILED)for(;s1!==peg$FAILED;)s0.push(s1),s1=peg$parseValidationItem();else s0=peg$FAILED;return s0}function peg$parseConfigValidation(){var s0,s2,s4,s6,s8,s10;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,10)===peg$c145?(s2=peg$c145,peg$currPos+=10):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c146)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(123===input.charCodeAt(peg$currPos)?(s6=peg$c128,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c129)),s6!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s8=peg$parseValidationItems())===peg$FAILED&&(s8=null),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,2)===peg$c147?(s10=peg$c147,peg$currPos+=2):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c148)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c149(s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseGvizLayout(){var s0;return input.substr(peg$currPos,3)===peg$c150?(s0=peg$c150,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c151)),s0===peg$FAILED&&(input.substr(peg$currPos,5)===peg$c152?(s0=peg$c152,peg$currPos+=5):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c153)),s0===peg$FAILED&&(input.substr(peg$currPos,3)===peg$c154?(s0=peg$c154,peg$currPos+=3):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c155)),s0===peg$FAILED&&(input.substr(peg$currPos,5)===peg$c156?(s0=peg$c156,peg$currPos+=5):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c157))))),s0}function peg$parseStateItemShapeKey(){var s0;return input.substr(peg$currPos,8)===peg$c158?(s0=peg$c158,peg$currPos+=8):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c159)),s0===peg$FAILED&&(input.substr(peg$currPos,9)===peg$c160?(s0=peg$c160,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c161)),s0===peg$FAILED&&(input.substr(peg$currPos,10)===peg$c162?(s0=peg$c162,peg$currPos+=10):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c163)))),s0}function peg$parseStateItemShape(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED&&(s2=peg$parseStateItemShapeKey())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseGvizShape())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c123(s2,s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseStateItems(){var s0,s1;if(s0=[],(s1=peg$parseStateItemShape())!==peg$FAILED)for(;s1!==peg$FAILED;)s0.push(s1),s1=peg$parseStateItemShape();else s0=peg$FAILED;return s0}function peg$parseConfigState(){var s0,s2,s4,s6,s8,s10;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,5)===peg$c164?(s2=peg$c164,peg$currPos+=5):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c165)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(123===input.charCodeAt(peg$currPos)?(s6=peg$c128,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c129)),s6!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s8=peg$parseStateItems())===peg$FAILED&&(s8=null),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,2)===peg$c147?(s10=peg$c147,peg$currPos+=2):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c148)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c166(s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseActionKey(){var s0;return input.substr(peg$currPos,9)===peg$c140?(s0=peg$c140,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c141)),s0===peg$FAILED&&(input.substr(peg$currPos,4)===peg$c142?(s0=peg$c142,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c143))),s0}function peg$parseActionItem(){var s0,s1,s2,s3,s4;return s0=peg$currPos,(s1=peg$parseActionKey())!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s2=peg$c119,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s2!==peg$FAILED&&(s3=peg$parseLabel())!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s4=peg$c121,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s4!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c167(s1,s3)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseActionItems(){var s0,s1;if(s0=[],(s1=peg$parseActionItem())!==peg$FAILED)for(;s1!==peg$FAILED;)s0.push(s1),s1=peg$parseActionItem();else s0=peg$FAILED;return s0}function peg$parseConfigAction(){var s0,s2,s4,s6,s8,s10;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,6)===peg$c168?(s2=peg$c168,peg$currPos+=6):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c169)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(123===input.charCodeAt(peg$currPos)?(s6=peg$c128,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c129)),s6!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s8=peg$parseActionItems())===peg$FAILED&&(s8=null),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,2)===peg$c147?(s10=peg$c147,peg$currPos+=2):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c148)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c170(s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseTransitionKey(){var s0;return input.substr(peg$currPos,9)===peg$c140?(s0=peg$c140,peg$currPos+=9):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c141)),s0===peg$FAILED&&(input.substr(peg$currPos,4)===peg$c142?(s0=peg$c142,peg$currPos+=4):(s0=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c143))),s0}function peg$parseTransitionItem(){var s0,s1,s2,s3,s4;return s0=peg$currPos,(s1=peg$parseTransitionKey())!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s2=peg$c119,peg$currPos++):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s2!==peg$FAILED&&(s3=peg$parseLabel())!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s4=peg$c121,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s4!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c171(s1,s3)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseTransitionItems(){var s0,s1;if((s0=peg$parseGraphDefaultEdgeColor())===peg$FAILED)if(s0=[],(s1=peg$parseTransitionItem())!==peg$FAILED)for(;s1!==peg$FAILED;)s0.push(s1),s1=peg$parseTransitionItem();else s0=peg$FAILED;return s0}function peg$parseGraphDefaultEdgeColor(){var s0,s2,s4,s6,s8;return peg$silentFails++,s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,10)===peg$c125?(s2=peg$c125,peg$currPos+=10):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c126)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseColor())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c173(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c172),s0}function peg$parseConfigTransition(){var s0,s2,s4,s6,s8,s10;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,10)===peg$c174?(s2=peg$c174,peg$currPos+=10):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c175)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(123===input.charCodeAt(peg$currPos)?(s6=peg$c128,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c129)),s6!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?((s8=peg$parseTransitionItems())===peg$FAILED&&(s8=null),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,2)===peg$c147?(s10=peg$c147,peg$currPos+=2):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c148)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c176(s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseConfigGraphLayout(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,12)===peg$c177?(s2=peg$c177,peg$currPos+=12):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c178)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseGvizLayout())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c179(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseConfigStartNodes(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,11)===peg$c180?(s2=peg$c180,peg$currPos+=11):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c181)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseLabelList())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c182(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseConfigEndNodes(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,9)===peg$c183?(s2=peg$c183,peg$currPos+=9):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c184)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseLabelList())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c185(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseConfigGraphBgColor(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,14)===peg$c186?(s2=peg$c186,peg$currPos+=14):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c187)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseColor())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c188(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseConfig(){var s0;return peg$silentFails++,(s0=peg$parseConfigGraphLayout())===peg$FAILED&&(s0=peg$parseConfigStartNodes())===peg$FAILED&&(s0=peg$parseConfigEndNodes())===peg$FAILED&&(s0=peg$parseConfigTransition())===peg$FAILED&&(s0=peg$parseConfigAction())===peg$FAILED&&(s0=peg$parseConfigState())===peg$FAILED&&(s0=peg$parseConfigValidation())===peg$FAILED&&(s0=peg$parseConfigGraphBgColor()),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c189),s0}function peg$parseStateColor(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,5)===peg$c190?(s2=peg$c190,peg$currPos+=5):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c191)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseColor())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c192(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseArbitraryStateQuality(){var s0,s2,s4,s6,s8;return peg$silentFails++,s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED&&(s2=peg$parseLabel())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseLabel())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c194(s2,s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c193),s0}function peg$parseStateQuality(){var s0;return(s0=peg$parseStateColor())===peg$FAILED&&(s0=peg$parseArbitraryStateQuality()),s0}function peg$parseStateDef(){var s0,s2,s4,s6,s8,s9,s10,s12;if(peg$silentFails++,s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED)if(input.substr(peg$currPos,5)===peg$c164?(s2=peg$c164,peg$currPos+=5):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c165)),s2!==peg$FAILED)if(peg$parseWhitespace()!==peg$FAILED)if((s4=peg$parseLabel())!==peg$FAILED)if(peg$parseWhitespace()!==peg$FAILED)if(91===input.charCodeAt(peg$currPos)?(s6=peg$c133,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c134)),s6!==peg$FAILED)if(peg$parseWhitespace()!==peg$FAILED){for(s8=[],s9=peg$parseStateQuality();s9!==peg$FAILED;)s8.push(s9),s9=peg$parseStateQuality();s8!==peg$FAILED&&(s9=peg$parseWhitespace())!==peg$FAILED?(93===input.charCodeAt(peg$currPos)?(s10=peg$c135,peg$currPos++):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c136)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s12=peg$c121,peg$currPos++):(s12=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s12!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c196(s4,s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;return peg$silentFails--,s0===peg$FAILED&&0===peg$silentFails&&peg$fail(peg$c195),s0}function peg$parseMachineName(){var s0,s2,s4,s6,s8;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,12)===peg$c197?(s2=peg$c197,peg$currPos+=12):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c198)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s4=peg$c119,peg$currPos++):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s4!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s6=peg$parseLabel())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s8=peg$c121,peg$currPos++):(s8=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s8!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c199(s6)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseStateGroupDef(){var s0,s2,s4,s6,s8,s10;return s0=peg$currPos,peg$parseWhitespace()!==peg$FAILED?(input.substr(peg$currPos,5)===peg$c200?(s2=peg$c200,peg$currPos+=5):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c201)),s2!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s4=peg$parseLabel())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(58===input.charCodeAt(peg$currPos)?(s6=peg$c119,peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c120)),s6!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED&&(s8=peg$parseLabelOrLabelList())!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(59===input.charCodeAt(peg$currPos)?(s10=peg$c121,peg$currPos++):(s10=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c122)),s10!==peg$FAILED&&peg$parseWhitespace()!==peg$FAILED?(peg$savedPos=s0,s0=peg$c202(s4,s8)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED),s0}function peg$parseComment(){var s0,s1,s2,s3,s4,s5,s6;if(s0=peg$currPos,(s1=peg$parseWhitespace())!==peg$FAILED)if(input.substr(peg$currPos,2)===peg$c203?(s2=peg$c203,peg$currPos+=2):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c204)),s2!==peg$FAILED){for(s3=[],s4=peg$currPos,s5=peg$currPos,peg$silentFails++,input.substr(peg$currPos,2)===peg$c205?(s6=peg$c205,peg$currPos+=2):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c206)),peg$silentFails--,s6===peg$FAILED?s5=void 0:(peg$currPos=s5,s5=peg$FAILED),s5!==peg$FAILED?(input.length>peg$currPos?(s6=input.charAt(peg$currPos),peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c207)),s6!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED)):(peg$currPos=s4,s4=peg$FAILED);s4!==peg$FAILED;)s3.push(s4),s4=peg$currPos,s5=peg$currPos,peg$silentFails++,input.substr(peg$currPos,2)===peg$c205?(s6=peg$c205,peg$currPos+=2):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c206)),peg$silentFails--,s6===peg$FAILED?s5=void 0:(peg$currPos=s5,s5=peg$FAILED),s5!==peg$FAILED?(input.length>peg$currPos?(s6=input.charAt(peg$currPos),peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c207)),s6!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED)):(peg$currPos=s4,s4=peg$FAILED);s3!==peg$FAILED?(input.substr(peg$currPos,2)===peg$c205?(s4=peg$c205,peg$currPos+=2):(s4=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c206)),s4!==peg$FAILED&&(s5=peg$parseWhitespace())!==peg$FAILED?(peg$savedPos=s0,s0=s1=peg$c208()):(peg$currPos=s0,s0=peg$FAILED)):(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;if(s0===peg$FAILED)if(s0=peg$currPos,(s1=peg$parseWhitespace())!==peg$FAILED)if(input.substr(peg$currPos,2)===peg$c209?(s2=peg$c209,peg$currPos+=2):(s2=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c210)),s2!==peg$FAILED){for(s3=[],s4=peg$currPos,s5=peg$currPos,peg$silentFails++,s6=peg$parseLineTerminator(),peg$silentFails--,s6===peg$FAILED?s5=void 0:(peg$currPos=s5,s5=peg$FAILED),s5!==peg$FAILED?(input.length>peg$currPos?(s6=input.charAt(peg$currPos),peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c207)),s6!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED)):(peg$currPos=s4,s4=peg$FAILED);s4!==peg$FAILED;)s3.push(s4),s4=peg$currPos,s5=peg$currPos,peg$silentFails++,s6=peg$parseLineTerminator(),peg$silentFails--,s6===peg$FAILED?s5=void 0:(peg$currPos=s5,s5=peg$FAILED),s5!==peg$FAILED?(input.length>peg$currPos?(s6=input.charAt(peg$currPos),peg$currPos++):(s6=peg$FAILED,0===peg$silentFails&&peg$fail(peg$c207)),s6!==peg$FAILED?s4=s5=[s5,s6]:(peg$currPos=s4,s4=peg$FAILED)):(peg$currPos=s4,s4=peg$FAILED);s3!==peg$FAILED&&(s4=peg$parseWhitespace())!==peg$FAILED?s0=s1=[s1,s2,s3,s4]:(peg$currPos=s0,s0=peg$FAILED)}else peg$currPos=s0,s0=peg$FAILED;else peg$currPos=s0,s0=peg$FAILED;return s0}function peg$parseTerm(){var s0;return(s0=peg$parseComment())===peg$FAILED&&(s0=peg$parseExp())===peg$FAILED&&(s0=peg$parseStateDef())===peg$FAILED&&(s0=peg$parseMachineName())===peg$FAILED&&(s0=peg$parseStateGroupDef())===peg$FAILED&&(s0=peg$parseConfig()),s0}function peg$parseTermList(){var s0,s1;for(s0=[],s1=peg$parseTerm();s1!==peg$FAILED;)s0.push(s1),s1=peg$parseTerm();return s0}options=void 0!==options?options:{};var peg$result,peg$FAILED={},peg$startRuleFunctions={Document:peg$parseDocument},peg$startRuleFunction=peg$parseDocument,peg$c0=function(e){return e},peg$c1="square",peg$c2=peg$literalExpectation("square",!1),peg$c3="rectangle",peg$c4=peg$literalExpectation("rectangle",!1),peg$c5="circle",peg$c6=peg$literalExpectation("circle",!1),peg$c7=peg$otherExpectation("forward light arrow ->"),peg$c8="->",peg$c9=peg$literalExpectation("->",!1),peg$c10=peg$otherExpectation("two way light arrow <->"),peg$c11="<->",peg$c12=peg$literalExpectation("<->",!1),peg$c13=peg$otherExpectation("back light arrow <-"),peg$c14="<-",peg$c15=peg$literalExpectation("<-",!1),peg$c16=peg$otherExpectation("forward fat arrow =>"),peg$c17="=>",peg$c18=peg$literalExpectation("=>",!1),peg$c19=peg$otherExpectation("two way fat arrow <=>"),peg$c20="<=>",peg$c21=peg$literalExpectation("<=>",!1),peg$c22=peg$otherExpectation("back fat arrow <="),peg$c23="<=",peg$c24=peg$literalExpectation("<=",!1),peg$c25=peg$otherExpectation("forward tilde arrow ~>"),peg$c26="~>",peg$c27=peg$literalExpectation("~>",!1),peg$c28=peg$otherExpectation("two way tilde arrow <~>"),peg$c29="<~>",peg$c30=peg$literalExpectation("<~>",!1),peg$c31=peg$otherExpectation("back tilde arrow <~"),peg$c32="<~",peg$c33=peg$literalExpectation("<~",!1),peg$c34=peg$otherExpectation("light fat arrow <-=>"),peg$c35="<-=>",peg$c36=peg$literalExpectation("<-=>",!1),peg$c37=peg$otherExpectation("light tilde arrow <-~>"),peg$c38="<-~>",peg$c39=peg$literalExpectation("<-~>",!1),peg$c40=peg$otherExpectation("fat light arrow <=->"),peg$c41="<=->",peg$c42=peg$literalExpectation("<=->",!1),peg$c43=peg$otherExpectation("fat tilde arrow <=~>"),peg$c44="<=~>",peg$c45=peg$literalExpectation("<=~>",!1),peg$c46=peg$otherExpectation("tilde light arrow <~->"),peg$c47="<~->",peg$c48=peg$literalExpectation("<~->",!1),peg$c49=peg$otherExpectation("tilde fat arrow <~=>"),peg$c50="<~=>",peg$c51=peg$literalExpectation("<~=>",!1),peg$c52=peg$otherExpectation("light arrow"),peg$c53=peg$otherExpectation("fat arrow"),peg$c54=peg$otherExpectation("tilde arrow"),peg$c55=peg$otherExpectation("mixed arrow"),peg$c56=peg$otherExpectation("arrow"),peg$c57=/^[0-9a-fA-F]/,peg$c58=peg$classExpectation([["0","9"],["a","f"],["A","F"]],!1,!1),peg$c59='"',peg$c60=peg$literalExpectation('"',!1),peg$c61="\\",peg$c62=peg$literalExpectation("\\",!1),peg$c63="/",peg$c64=peg$literalExpectation("/",!1),peg$c65="b",peg$c66=peg$literalExpectation("b",!1),peg$c67=function(){return"\b"},peg$c68="f",peg$c69=peg$literalExpectation("f",!1),peg$c70=function(){return"\f"},peg$c71="n",peg$c72=peg$literalExpectation("n",!1),peg$c73=function(){return"\n"},peg$c74="r",peg$c75=peg$literalExpectation("r",!1),peg$c76=function(){return"\r"},peg$c77="t",peg$c78=peg$literalExpectation("t",!1),peg$c79=function(){return"\t"},peg$c80="v",peg$c81=peg$literalExpectation("v",!1),peg$c82=function(){return"\v"},peg$c83="u",peg$c84=peg$literalExpectation("u",!1),peg$c85=function(digits){return String.fromCharCode(parseInt(digits,16))},peg$c86=function(Sequence){return Sequence},peg$c87=/^[ -!#-[\]-\u10FFFF]/,peg$c88=peg$classExpectation([[" ","!"],["#","["],["]","ჿ"],"F","F"],!1,!1),peg$c89="'",peg$c90=peg$literalExpectation("'",!1),peg$c91=/^[ -&(-[\]-\u10FFFF]/,peg$c92=peg$classExpectation([[" ","&"],["(","["],["]","ჿ"],"F","F"],!1,!1),peg$c93=peg$otherExpectation("action label"),peg$c94=function(chars){return chars.join("")},peg$c95=/^[\n\r\u2028\u2029]/,peg$c96=peg$classExpectation(["\n","\r","\u2028","\u2029"],!1,!1),peg$c97=peg$otherExpectation("whitespace"),peg$c98=/^[ \t\n\r\x0B]/,peg$c99=peg$classExpectation([" ","\t","\n","\r","\v"],!1,!1),peg$c100=peg$otherExpectation("string"),peg$c101=peg$otherExpectation("atom"),peg$c102=/^[0-9a-zA-Z.+_&()%$#@!?,']/,peg$c103=peg$classExpectation([["0","9"],["a","z"],["A","Z"],".","+","_","&","(",")","%","$","#","@","!","?",",","'"],!1,!1),peg$c104=function(text){return text.join("")},peg$c105=peg$otherExpectation("label"),peg$c106=peg$otherExpectation("color"),peg$c107="red",peg$c108=peg$literalExpectation("red",!1),peg$c109="green",peg$c110=peg$literalExpectation("green",!1),peg$c111="blue",peg$c112=peg$literalExpectation("blue",!1),peg$c113="arc_label",peg$c114=peg$literalExpectation("arc_label",!1),peg$c115="head_label",peg$c116=peg$literalExpectation("head_label",!1),peg$c117="tail_label",peg$c118=peg$literalExpectation("tail_label",!1),peg$c119=":",peg$c120=peg$literalExpectation(":",!1),peg$c121=";",peg$c122=peg$literalExpectation(";",!1),peg$c123=function(key,value){return{key:key,value:value}},peg$c124=peg$otherExpectation("single edge color"),peg$c125="edge_color",peg$c126=peg$literalExpectation("edge_color",!1),peg$c127=function(value){return{key:"single_edge_color",value:value}},peg$c128="{",peg$c129=peg$literalExpectation("{",!1),peg$c130="}",peg$c131=peg$literalExpectation("}",!1),peg$c132=function(items){return items},peg$c133="[",peg$c134=peg$literalExpectation("[",!1),peg$c135="]",peg$c136=peg$literalExpectation("]",!1),peg$c137=function(names){return names.map(function(i){return i[0]})},peg$c138=function(r_action,l_desc,arrow,r_desc,l_action,label,tail){var base={kind:arrow,to:label};return tail&&tail!==[]&&(base.se=tail),l_desc&&(base.l_desc=l_desc),r_desc&&(base.r_desc=r_desc),l_action&&(base.l_action=l_action),r_action&&(base.r_action=r_action),base},peg$c139=function(label,se){var base={key:"transition",from:label};return se&&se!==[]&&(base.se=se),base},peg$c140="whargarbl",peg$c141=peg$literalExpectation("whargarbl",!1),peg$c142="todo",peg$c143=peg$literalExpectation("todo",!1),peg$c144=function(validationkey,value){return{key:validationkey,value:value}},peg$c145="validation",peg$c146=peg$literalExpectation("validation",!1),peg$c147="};",peg$c148=peg$literalExpectation("};",!1),peg$c149=function(validation_items){return{config_kind:"validation",config_items:validation_items||[]}},peg$c150="dot",peg$c151=peg$literalExpectation("dot",!1),peg$c152="circo",peg$c153=peg$literalExpectation("circo",!1),peg$c154="fdp",peg$c155=peg$literalExpectation("fdp",!1),peg$c156="neato",peg$c157=peg$literalExpectation("neato",!1),peg$c158="in_shape",peg$c159=peg$literalExpectation("in_shape",!1),peg$c160="out_shape",peg$c161=peg$literalExpectation("out_shape",!1),peg$c162="node_shape",peg$c163=peg$literalExpectation("node_shape",!1),peg$c164="state",peg$c165=peg$literalExpectation("state",!1),peg$c166=function(state_items){return{config_kind:"state",config_items:state_items||[]}},peg$c167=function(actionkey,value){return{key:actionkey,value:value}},peg$c168="action",peg$c169=peg$literalExpectation("action",!1),peg$c170=function(action_items){return{config_kind:"action",config_items:action_items||[]}},peg$c171=function(transitionkey,value){return{key:transitionkey,value:value}},peg$c172=peg$otherExpectation("graph default edge color"),peg$c173=function(value){return{key:"graph_default_edge_color",value:value}},peg$c174="transition",peg$c175=peg$literalExpectation("transition",!1),peg$c176=function(transition_items){return{config_kind:"transition",config_items:transition_items||[]}},peg$c177="graph_layout",peg$c178=peg$literalExpectation("graph_layout",!1),peg$c179=function(value){return{key:"graph_layout",value:value}},peg$c180="start_nodes",peg$c181=peg$literalExpectation("start_nodes",!1),peg$c182=function(value){return{key:"start_nodes",value:value}},peg$c183="end_nodes",peg$c184=peg$literalExpectation("end_nodes",!1),peg$c185=function(value){return{key:"end_nodes",value:value}},peg$c186="graph_bg_color",peg$c187=peg$literalExpectation("graph_bg_color",!1),peg$c188=function(value){return{key:"graph_bg_color",value:value}},peg$c189=peg$otherExpectation("configuration"),peg$c190="color",peg$c191=peg$literalExpectation("color",!1),peg$c192=function(value){return{key:"state color",value:value}},peg$c193=peg$otherExpectation("state quality"),peg$c194=function(name,value){return{key:"state quality",name:name,value:value}},peg$c195=peg$otherExpectation("state definition"),peg$c196=function(name,sq){return{key:"State qualities",value:sq}},peg$c197="machine name",peg$c198=peg$literalExpectation("machine name",!1),peg$c199=function(name){return{key:"Machine name",value:name}},peg$c200="group",peg$c201=peg$literalExpectation("group",!1),peg$c202=function(name,nl){return{key:"group definition",value:{name:name,list:nl}}},peg$c203="/*",peg$c204=peg$literalExpectation("/*",!1),peg$c205="*/",peg$c206=peg$literalExpectation("*/",!1),peg$c207={type:"any"},peg$c208=function(){return{key:"comment"}},peg$c209="//",peg$c210=peg$literalExpectation("//",!1),peg$currPos=0,peg$savedPos=0,peg$posDetailsCache=[{line:1,column:1}],peg$maxFailPos=0,peg$maxFailExpected=[],peg$silentFails=0;if("startRule"in options){if(!(options.startRule in peg$startRuleFunctions))throw new Error("Can't start parsing from rule \""+options.startRule+'".');peg$startRuleFunction=peg$startRuleFunctions[options.startRule]}if((peg$result=peg$startRuleFunction())!==peg$FAILED&&peg$currPos===input.length)return peg$result;throw peg$result!==peg$FAILED&&peg$currPos<input.length&&peg$fail({type:"end"}),peg$buildStructuredError(peg$maxFailExpected,peg$maxFailPos<input.length?input.charAt(peg$maxFailPos):null,peg$maxFailPos<input.length?peg$computeLocation(peg$maxFailPos,peg$maxFailPos+1):peg$computeLocation(peg$maxFailPos,peg$maxFailPos))}}},{}],2:[function(require,module,exports){"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},weighted_rand_select=function(options){var probability_property=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"probability";if(!Array.isArray(options))throw new TypeError("options must be a non-empty array of objects");if("object"!==_typeof(options[0]))throw new TypeError("options must be a non-empty array of objects");for(var or_one=function(item){return void 0===item?1:item},rnd=function(cap){return Math.random()*cap}(options.reduce(function(acc,val){return acc+or_one(val[probability_property])},0)),cursor=0,cursor_sum=0;(cursor_sum+=or_one(options[cursor++][probability_property]))<=rnd;);return options[cursor-1]},seq=function(n){return new Array(n).fill(!0).map(function(_,i){return i})},histograph=function(a){return a.sort().reduce(function(m,v){return m.set(v,m.has(v)?m.get(v)+1:1),m},new Map)},weighted_sample_select=function(n,options,probability_property){return seq(n).map(function(i){return weighted_rand_select(options,probability_property)})};exports.seq=seq,exports.histograph=histograph,exports.weighted_histo_key=function(n,options,probability_property,extract){return histograph(weighted_sample_select(n,options,probability_property).map(function(s){return s[extract]}))},exports.weighted_rand_select=weighted_rand_select,exports.weighted_sample_select=weighted_sample_select},{}],jssm:[function(require,module,exports){"use strict";function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}function _toConsumableArray(arr){if(Array.isArray(arr)){for(var i=0,arr2=Array(arr.length);i<arr.length;i++)arr2[i]=arr[i];return arr2}return Array.from(arr)}function arrow_left_kind(arrow){switch(String(arrow)){case"->":case"=>":case"~>":return"none";case"<-":case"<->":case"<-=>":case"<-~>":return"legal";case"<=":case"<=>":case"<=->":case"<=~>":return"main";case"<~":case"<~>":case"<~->":case"<~=>":return"forced";default:throw new Error("arrow_direction: unknown arrow type "+arrow)}}function arrow_right_kind(arrow){switch(String(arrow)){case"<-":case"<=":case"<~":return"none";case"->":case"<->":case"<=->":case"<~->":return"legal";case"=>":case"<=>":case"<-=>":case"<~=>":return"main";case"~>":case"<~>":case"<-~>":case"<=~>":return"forced";default:throw new Error("arrow_direction: unknown arrow type "+arrow)}}function compile_rule_transition_step(acc,from,to,this_se,next_se){var edges=[],uFrom=Array.isArray(from)?from:[from],uTo=Array.isArray(to)?to:[to];uFrom.map(function(f){uTo.map(function(t){var rk=arrow_right_kind(this_se.kind),lk=arrow_left_kind(this_se.kind),right={from:f,to:t,kind:rk,forced_only:"forced"===rk,main_path:"main"===rk};this_se.r_action&&(right.action=this_se.r_action),"none"!==right.kind&&edges.push(right);var left={from:t,to:f,kind:lk,forced_only:"forced"===lk,main_path:"main"===lk};this_se.l_action&&(left.action=this_se.l_action),"none"!==left.kind&&edges.push(left)})});var new_acc=acc.concat(edges);return next_se?compile_rule_transition_step(new_acc,to,next_se.to,next_se,next_se.se):new_acc}function compile_rule_handle_transition(rule){return compile_rule_transition_step([],rule.from,rule.se.to,rule.se,rule.se.se)}function compile_rule_handler(rule){if("transition"===rule.key)return{agg_as:"transition",val:compile_rule_handle_transition(rule)};if(["graph_layout","start_nodes","end_nodes"].includes(rule.key))return{agg_as:rule.key,val:rule.value};throw new Error("compile_rule_handler: Unknown rule: "+JSON.stringify(rule))}function compile(tree){var _ref,results={graph_layout:[],transition:[],start_nodes:[],end_nodes:[],initial_state:[]};tree.map(function(tr){var rule=compile_rule_handler(tr),agg_as=rule.agg_as,val=rule.val;results[agg_as]=results[agg_as].concat(val)}),["graph_layout","initial_state"].map(function(oneOnlyKey){if(results[oneOnlyKey].length>1)throw new Error("May only have one "+oneOnlyKey+" statement maximum: "+JSON.stringify(results[oneOnlyKey]))});var assembled_transitions=(_ref=[]).concat.apply(_ref,_toConsumableArray(results.transition)),result_cfg={initial_state:results.start_nodes.length?results.start_nodes[0]:assembled_transitions[0].from,transitions:assembled_transitions};return results.graph_layout.length&&(result_cfg.layout=results.graph_layout[0]),result_cfg}function make(plan){return compile(parse(plan))}Object.defineProperty(exports,"__esModule",{value:!0}),exports.weighted_histo_key=exports.weighted_sample_select=exports.histograph=exports.weighted_rand_select=exports.seq=exports.arrow_right_kind=exports.arrow_left_kind=exports.arrow_direction=exports.sm=exports.compile=exports.parse=exports.make=exports.Machine=exports.version=void 0;var _createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),_jssmUtil=require("./jssm-util.js"),parse=require("./jssm-dot.js").parse,Machine=function(){function Machine(_ref2){var _this=this,initial_state=_ref2.initial_state,_ref2$complete=_ref2.complete,complete=void 0===_ref2$complete?[]:_ref2$complete,transitions=_ref2.transitions,_ref2$layout=_ref2.layout,layout=void 0===_ref2$layout?"dot":_ref2$layout;_classCallCheck(this,Machine),this._state=initial_state,this._states=new Map,this._edges=[],this._edge_map=new Map,this._named_transitions=new Map,this._actions=new Map,this._reverse_actions=new Map,this._reverse_action_targets=new Map,this._layout=layout,transitions.map(function(tr){if(void 0===tr.from)throw new Error("transition must define 'from': "+JSON.stringify(tr));if(void 0===tr.to)throw new Error("transition must define 'to': "+JSON.stringify(tr));var cursor_from=_this._states.get(tr.from)||{name:tr.from,from:[],to:[],complete:complete.includes(tr.from)};_this._states.has(tr.from)||_this._new_state(cursor_from);var cursor_to=_this._states.get(tr.to)||{name:tr.to,from:[],to:[],complete:complete.includes(tr.to)};if(_this._states.has(tr.to)||_this._new_state(cursor_to),cursor_from.to.includes(tr.to))throw new Error("already has "+JSON.stringify(tr.from)+" to "+JSON.stringify(tr.to));cursor_from.to.push(tr.to),cursor_to.from.push(tr.from),_this._edges.push(tr);var thisEdgeId=_this._edges.length-1;if(tr.name){if(_this._named_transitions.has(tr.name))throw new Error('named transition "'+JSON.stringify(tr.name)+'" already created');_this._named_transitions.set(tr.name,thisEdgeId)}var from_mapping=_this._edge_map.get(tr.from)||new Map;if(_this._edge_map.has(tr.from)||_this._edge_map.set(tr.from,from_mapping),from_mapping.set(tr.to,thisEdgeId),tr.action){var actionMap=_this._actions.get(tr.action);if(actionMap||(actionMap=new Map,_this._actions.set(tr.action,actionMap)),actionMap.has(tr.from))throw new Error("action "+JSON.stringify(tr.action)+" already attached to origin "+JSON.stringify(tr.from));actionMap.set(tr.from,thisEdgeId);var rActionMap=_this._reverse_actions.get(tr.from);rActionMap||(rActionMap=new Map,_this._reverse_actions.set(tr.from,rActionMap)),rActionMap.set(tr.action,thisEdgeId),_this._reverse_action_targets.has(tr.to)||_this._reverse_action_targets.set(tr.to,new Map)}})}return _createClass(Machine,[{key:"_new_state",value:function(state_config){if(this._states.has(state_config.name))throw new Error("state "+JSON.stringify(state_config.name)+" already exists");return this._states.set(state_config.name,state_config),state_config.name}},{key:"state",value:function(){return this._state}},{key:"state_is_final",value:function(whichState){return this.state_is_terminal(whichState)&&this.state_is_complete(whichState)}},{key:"is_final",value:function(){return this.state_is_final(this.state())}},{key:"layout",value:function(){return String(this._layout)}},{key:"machine_state",value:function(){return{internal_state_impl_version:1,actions:this._actions,edge_map:this._edge_map,edges:this._edges,named_transitions:this._named_transitions,reverse_actions:this._reverse_actions,state:this._state,states:this._states}}},{key:"states",value:function(){return[].concat(_toConsumableArray(this._states.keys()))}},{key:"state_for",value:function(whichState){var state=this._states.get(whichState);if(state)return state;throw new Error("no such state "+JSON.stringify(state))}},{key:"list_edges",value:function(){return this._edges}},{key:"list_named_transitions",value:function(){return this._named_transitions}},{key:"list_actions",value:function(){return[].concat(_toConsumableArray(this._actions.keys()))}},{key:"get_transition_by_state_names",value:function(from,to){var emg=this._edge_map.get(from);return emg?emg.get(to):void 0}},{key:"lookup_transition_for",value:function(from,to){var id=this.get_transition_by_state_names(from,to);return void 0===id||null===id?void 0:this._edges[id]}},{key:"list_transitions",value:function(){var whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state();return{entrances:this.list_entrances(whichState),exits:this.list_exits(whichState)}}},{key:"list_entrances",value:function(){var whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state();return(this._states.get(whichState)||{}).from||[]}},{key:"list_exits",value:function(){var whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state();return(this._states.get(whichState)||{}).to||[]}},{key:"probable_exits_for",value:function(whichState){var _this2=this,wstate=this._states.get(whichState);if(!wstate)throw new Error("No such state "+JSON.stringify(whichState)+" in probable_exits_for");return wstate.to.map(function(ws){return _this2.lookup_transition_for(_this2.state(),ws)}).filter(Boolean)}},{key:"probabilistic_transition",value:function(){var selected=(0,_jssmUtil.weighted_rand_select)(this.probable_exits_for(this.state()));return this.transition(selected.to)}},{key:"probabilistic_walk",value:function(n){var _this3=this;return(0,_jssmUtil.seq)(n).map(function(){var state_was=_this3.state();return _this3.probabilistic_transition(),state_was}).concat([this.state()])}},{key:"probabilistic_histo_walk",value:function(n){return(0,_jssmUtil.histograph)(this.probabilistic_walk(n))}},{key:"actions",value:function(){var whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state(),wstate=this._reverse_actions.get(whichState);if(wstate)return[].concat(_toConsumableArray(wstate.keys()));throw new Error("No such state "+JSON.stringify(whichState))}},{key:"list_states_having_action",value:function(whichState){var wstate=this._actions.get(whichState);if(wstate)return[].concat(_toConsumableArray(wstate.keys()));throw new Error("No such state "+JSON.stringify(whichState))}},{key:"list_exit_actions",value:function(){var _this4=this,whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state(),ra_base=this._reverse_actions.get(whichState);if(!ra_base)throw new Error("No such state "+JSON.stringify(whichState));return[].concat(_toConsumableArray(ra_base.values())).map(function(edgeId){return _this4._edges[edgeId]}).filter(function(o){return o.from===whichState}).map(function(filtered){return filtered.action})}},{key:"probable_action_exits",value:function(){var _this5=this,whichState=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.state(),ra_base=this._reverse_actions.get(whichState);if(!ra_base)throw new Error("No such state "+JSON.stringify(whichState));return[].concat(_toConsumableArray(ra_base.values())).map(function(edgeId){return _this5._edges[edgeId]}).filter(function(o){return o.from===whichState}).map(function(filtered){return{action:filtered.action,probability:filtered.probability}})}},{key:"is_unenterable",value:function(whichState){return 0===this.list_entrances(whichState).length}},{key:"has_unenterables",value:function(){var _this6=this;return this.states().some(function(x){return _this6.is_unenterable(x)})}},{key:"is_terminal",value:function(){return this.state_is_terminal(this.state())}},{key:"state_is_terminal",value:function(whichState){return 0===this.list_exits(whichState).length}},{key:"has_terminals",value:function(){var _this7=this;return this.states().some(function(x){return _this7.state_is_terminal(x)})}},{key:"is_complete",value:function(){return this.state_is_complete(this.state())}},{key:"state_is_complete",value:function(whichState){var wstate=this._states.get(whichState);if(wstate)return wstate.complete;throw new Error("No such state "+JSON.stringify(whichState))}},{key:"has_completes",value:function(){var _this8=this;return this.states().some(function(x){return _this8.state_is_complete(x)})}},{key:"action",value:function(name,newData){if(this.valid_action(name,newData)){var edge=this.current_action_edge_for(name);return this._state=edge.to,!0}return!1}},{key:"transition",value:function(newState,newData){return!!this.valid_transition(newState,newData)&&(this._state=newState,!0)}},{key:"force_transition",value:function(newState,newData){return!!this.valid_force_transition(newState,newData)&&(this._state=newState,!0)}},{key:"current_action_for",value:function(action){var action_base=this._actions.get(action);return action_base?action_base.get(this.state()):void 0}},{key:"current_action_edge_for",value:function(action){var idx=this.current_action_for(action);if(void 0===idx||null===idx)throw new Error("No such action "+JSON.stringify(action));return this._edges[idx]}},{key:"valid_action",value:function(action,_newData){return void 0!==this.current_action_for(action)}},{key:"valid_transition",value:function(newState,_newData){var transition_for=this.lookup_transition_for(this.state(),newState);return!!transition_for&&!transition_for.forced_only}},{key:"valid_force_transition",value:function(newState,_newData){return void 0!==this.lookup_transition_for(this.state(),newState)}}]),Machine}();exports.version="4.5.2",exports.Machine=Machine,exports.make=make,exports.parse=parse,exports.compile=compile,exports.sm=function(template_strings){var _arguments=arguments;return new Machine(make(template_strings.reduce(function(acc,val,idx){return""+acc+_arguments[idx]+val})))},exports.arrow_direction=function(arrow){switch(String(arrow)){case"->":case"=>":case"~>":return"right";case"<-":case"<=":case"<~":return"left";case"<->":case"<-=>":case"<-~>":case"<=>":case"<=->":case"<=~>":case"<~>":case"<~->":case"<~=>":return"both";default:throw new Error("arrow_direction: unknown arrow type "+arrow)}},exports.arrow_left_kind=arrow_left_kind,exports.arrow_right_kind=arrow_right_kind,exports.seq=_jssmUtil.seq,exports.weighted_rand_select=_jssmUtil.weighted_rand_select,exports.histograph=_jssmUtil.histograph,exports.weighted_sample_select=_jssmUtil.weighted_sample_select,exports.weighted_histo_key=_jssmUtil.weighted_histo_key},{"./jssm-dot.js":1,"./jssm-util.js":2}]},{},[]);
\ No newline at end of file
diff --git a/docs/lib/index.html b/docs/lib/index.html
index ce20bf01..6b93462e 100644
--- a/docs/lib/index.html
+++ b/docs/lib/index.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <meta charset='utf-8' />
-  <title>jssm 4.5.1 | Documentation</title>
+  <title>jssm 4.5.2 | Documentation</title>
   <meta name='viewport' content='width=device-width,initial-scale=1'>
   <link href='assets/bass.css' type='text/css' rel='stylesheet' />
   <link href='assets/style.css' type='text/css' rel='stylesheet' />
@@ -14,7 +14,7 @@
       <div class='fixed xs-hide fix-3 overflow-auto max-height-100'>
         <div class='py1 px2'>
           <h3 class='mb0 no-anchor'>jssm</h3>
-          <div class='mb1'><code>4.5.1</code></div>
+          <div class='mb1'><code>4.5.2</code></div>
           <input
             placeholder='Filter'
             id='filter-input'
diff --git a/package.json b/package.json
index 4bf9b3ae..f5e5f5f9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jssm",
-  "version": "4.5.1",
+  "version": "4.5.2",
   "engines": {
     "node": ">=6.0.0"
   },
diff --git a/src/js/tests/sample_select.js b/src/js/tests/sample_select.js
index ef828539..e91842ad 100644
--- a/src/js/tests/sample_select.js
+++ b/src/js/tests/sample_select.js
@@ -15,6 +15,88 @@ describe('weighted_sample_select/1', async it => {
     jssm.weighted_sample_select(0, [{item:'a',probability:2},{item:'a',probability:3}]) )
   );
 
+
+
+  describe('has reasonable unweighted distribution', async uit => {
+
+    const unweighted = new jssm.Machine({
+
+      initial_state: 'a',
+
+      transitions: [
+
+        { from: 'a', to: 'b' },
+        { from: 'a', to: 'c' },
+
+        { from: 'b', to: 'a' },
+        { from: 'b', to: 'c' },
+
+        { from: 'c', to: 'a' },
+        { from: 'c', to: 'b' }
+
+      ]
+
+    });
+
+    const res = unweighted.probabilistic_histo_walk(1500);
+
+    // statistically each should be around 500.  raise alarms if they aren't 300.
+    uit('a expects 500 requires 300', t => t.is(true, res.get('a') >= 300));
+    uit('b expects 500 requires 300', t => t.is(true, res.get('b') >= 300));
+    uit('c expects 500 requires 300', t => t.is(true, res.get('c') >= 300));
+
+  });
+
+
+
+  describe('has reasonable weighted distribution', async uit => {
+
+    const weighted = new jssm.Machine({
+
+      initial_state: 'a',
+
+      transitions: [
+
+        { from: 'a', to: 'b', probability: 0.5 },
+        { from: 'a', to: 'c', probability: 4 },
+        { from: 'a', to: 'd', probability: 0.5 },
+        { from: 'a', to: 'e', probability: 0.5 },
+
+        { from: 'b', to: 'a', probability: 0.5 },
+        { from: 'b', to: 'c', probability: 4 },
+        { from: 'b', to: 'd', probability: 0.5 },
+        { from: 'b', to: 'e', probability: 0.5 },
+
+        { from: 'c', to: 'a', probability: 0.5 },
+        { from: 'c', to: 'b', probability: 0.5 },
+        { from: 'c', to: 'd', probability: 0.5 },
+        { from: 'c', to: 'e', probability: 0.5 },
+
+        { from: 'd', to: 'a', probability: 0.5 },
+        { from: 'd', to: 'b', probability: 0.5 },
+        { from: 'd', to: 'c', probability: 4 },
+        { from: 'd', to: 'e', probability: 0.5 },
+
+        { from: 'e', to: 'a', probability: 0.5 },
+        { from: 'e', to: 'b', probability: 0.5 },
+        { from: 'e', to: 'c', probability: 4 },
+        { from: 'e', to: 'd', probability: 0.5 }
+
+      ]
+
+    });
+
+    const res = weighted.probabilistic_histo_walk(2500);
+
+    // statistically each should be around 375, or 1050 for c.  raise alarms if they aren't 250, or 800 for c.
+    uit('a expects 375 requires 250',  t => t.is(true, res.get('a') >= 250));
+    uit('b expects 375 requires 250',  t => t.is(true, res.get('b') >= 250));
+    uit('c expects 1050 requires 800', t => t.is(true, res.get('c') >= 800));
+    uit('d expects 375 requires 250',  t => t.is(true, res.get('c') >= 250));
+    uit('e expects 375 requires 250',  t => t.is(true, res.get('c') >= 250));
+
+  });
+
   // stochastics would help, eg "every returned item is a member" and "in a
   // sufficient list any positive sample size is reasonable" and "always
   // returns the right sample size" - whargarbl todo
@@ -22,4 +104,8 @@ describe('weighted_sample_select/1', async it => {
 
 });
 
+
+
+
+
 // stochable