switching C# extraction from pdf2bgf to Grammar Hunter

topics/grammars/csharp/ecma-334-1/Makefile

@@ -1,4 +1,15 @@
 extract:
+	${hunter} src.fixed.txt config.edd output.bgf
+	xbgf fix.xbgf output.bgf good.bgf
+	gdts good.bgf grammar.bgf
+
+fix:
+	grep -v 1 src.grammar.txt | grep -v 2 | grep -v 3 | grep -v 4 | grep -v 5 | grep -v 6 | grep -v 7 | grep -v 8 | grep -v 9 | grep -v 0 | grep -v SPECIFICATION | grep -v Appendix > src.fixed.txt
+
+hunt:
+	${hunter} src.grammar.txt config.edd output.bgf
+
+extract2:
 	${tooldir}/pdf2bgf src.grammar.txt raw.bgf banned-lines.lst keywords.lst
 	${tooldir}/xbgf post-extract.xbgf raw.bgf grammar.bgf
 

topics/grammars/csharp/ecma-334-1/config.edd

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<edd:config xmlns:edd="http://planet-sl.org/edd">
+	<break-tokens-at-whitespace/>
+	<defining-symbol>: \n</defining-symbol>
+	<multiple-defining-symbol>: oneof \n</multiple-defining-symbol>
+	<definition-separator-symbol> \n</definition-separator-symbol>
+	<postfix-option-symbol>opt</postfix-option-symbol>
+	<terminal-if-undefined>
+		<except>identifier</except>
+		<except>literal</except>
+	</terminal-if-undefined>
+	<nonterminal-if-contains>
+		<what>-</what>
+		<except>-</except>
+		<except>--</except>
+		<except>-=</except>
+	</nonterminal-if-contains>
+	<mask>
+		<token>ñ</token>
+		<terminal>-</terminal>
+	</mask>
+</edd:config>

topics/grammars/csharp/ecma-334-1/fix.xbgf

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xbgf:sequence xmlns:xbgf="http://planet-sl.org/xbgf" xmlns:bgf="http://planet-sl.org/bgf">
+	<xbgf:replace>
+		<bgf:expression>
+			<nonterminal>-</nonterminal>
+		</bgf:expression>
+		<bgf:expression>
+			<terminal>-</terminal>
+		</bgf:expression>
+	</xbgf:replace>
+	<xbgf:replace>
+		<bgf:expression>
+			<terminal>DOUBLEDOT</terminal>
+		</bgf:expression>
+		<bgf:expression>
+			<terminal>:</terminal>
+		</bgf:expression>
+	</xbgf:replace>
+</xbgf:sequence>