Minor improvements for developing the spec

.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+out/

README.md

@@ -48,3 +48,6 @@ If you wish to submit a proposal and are not a representative of a TC39 member,
   2. [Register as a TC39 contributor](http://www.ecma-international.org/memento/register_TC39_Royalty_Free_Task_Group.php) (it is not necessary to submit the contribution as attachment to the form)
   3. Submit a pull request here for your strawman proposal.
 
+## Developing the Specification
+
+After cloning, do `npm install` to set up your environment. You can then do `npm run build` to build the spec or `npm run watch` to set up a continuous build. The results will appear in the `out` directory, which you can use `npm run clean` to delete.

package.json

@@ -1,22 +1,18 @@
 {
+  "private": true,
   "name": "ecma262",
   "version": "1.0.0",
   "description": "The ECMAScript specification",
-  "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "clean": "rm -rf out",
+    "build": "npm run clean && mkdir out && ecmarkup --verbose spec.html out/index.html --css out/ecmarkup.css --js out/ecmarkup.js",
+    "watch": "npm run clean && mkdir out && ecmarkup --watch --verbose spec.html out/index.html --css out/ecmarkup.css --js out/ecmarkup.js",
     "update-pages": "node node_modules/ecmarkup/bin/ecmarkup.js spec.html _index.html --css _ecmarkup.css --js _ecmarkup.js --verbose && git checkout gh-pages && rm -f index.html ecmarkup.css ecmarkup.js && mv _index.html index.html && mv _ecmarkup.css ecmarkup.css && mv _ecmarkup.js ecmarkup.js && git add index.html ecmarkup.js ecmarkup.css && git commit -m \"update pages\" && git checkout master"
   },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/tc39/ecma262"
-  },
+  "repository": "tc39/ecma262",
   "author": "ECMA TC39",
-  "license": "Copyright ECMA",
-  "bugs": {
-    "url": "https://github.com/tc39/ecma262/issues"
-  },
-  "homepage": "https://github.com/tc39/ecma262",
+  "license": "SEE LICENSE IN https://tc39.github.io/ecma262/#sec-copyright-and-software-license",
+  "homepage": "https://tc39.github.io/ecma262/",
   "dependencies": {
     "ecmarkup": "^2.5.4"
   }