New highlighter for Erlang

This is a first version featuring most of the important syntax elements
as comments, keywords, atoms and variables etc.

Btw fixed prolog parsed to behave like the erlang one when highlighting
atoms and variables.

erlang.jsf

@@ -0,0 +1,95 @@
+# JOE syntax highlight file for Erlang
+
+=Idle
+=Comment	green
+=Constant	cyan
+=Escape		bold cyan
+=Keyword	bold
+=Bad		bold red
+=Brace		magenta
+
+=Variable	fg_310
+=Attribute	magenta
+
+:idle Idle
+	*		idle
+	"A-Z"		variable	noeat
+	"%"		line_comment	noeat
+	"\""		string		recolor=-1
+	"'"		quoted_atom	recolor=-1
+	"0-9"		decimal		recolor=-1
+	"{[]}"		brace		recolor=-1
+	"-"		maybe_attribute	mark
+	"a-z"		atom		buffer
+
+:line_comment Comment
+	*		line_comment
+	"\n"		idle
+
+:variable Variable
+	*		idle		noeat
+	"a-zA-Z"	variable
+
+:string Constant
+	*		string
+	"\""		idle
+
+:decimal Constant
+	*		idle		noeat
+	"0-9"		decimal
+	"."		float
+
+:float Constant
+	*		idle		noeat
+	"0-9"		float
+
+:brace Brace
+	*		idle		noeat
+
+:maybe_attribute Idle
+	*		idle		noeat
+	"a-z"		maybe_attribute
+	"("		attribute	recolormark
+
+:attribute Attribute
+	*		idle		noeat
+
+:atom Idle
+	*		idle		noeat strings
+	"after"		kw
+	"and"		kw
+	"andalso"	kw
+	"band"		kw
+	"begin"		kw
+	"bnot"		kw
+	"bor"		kw
+	"bsl"		kw
+	"bsr"		kw
+	"bxor"		kw
+	"case"		kw
+	"catch"		kw
+	"cond"		kw
+	"div"		kw
+	"end"		kw
+	"fun"		kw
+	"if"		kw
+	"let"		kw
+	"not"		kw
+	"of"		kw
+	"or"		kw
+	"orelse"	kw
+	"query"		kw
+	"receive"	kw
+	"rem"		kw
+	"try"		kw
+	"when"		kw
+	"xor"		kw
+done
+	"a-zA-Z0-9_@"	atom
+
+:kw Keyword
+	*		idle		noeat
+
+:quoted_atom Idle
+	*		quoted_atom
+	"'"		idle

ftyperc

@@ -878,3 +878,8 @@
 -autoindent
 -smarthome
 -smartbacks
+
+ Erlang
+*.erl
+-syntax erlang
+-autoindent

prolog.jsf

@@ -4,11 +4,11 @@
 =Comment	green
 =Constant	cyan
 =Escape		bold cyan
-=Variable	cyan
 =Keyword	bold
 =Bad		bold red
 
-=Brace
+=Brace		#magenta
+=Variable	fg_310
 =Predicate	red
 
 :idle Idle