Haml: not every = is the start of ruby code

If a line already contains plain characters (even whitespace, say everything
whitout a special function like tags etc) then an equal sign will only be
an equals sign not the start of ruby code.

haml.jsf

@@ -26,13 +26,19 @@
 	":"		filter		recolor=-1
 
 :escape_first Constant
-	*		idle
+	*		idle_no_ruby
 
 :idle Constant
-	*		idle
+	*		idle_no_ruby
 	"\n"		line_start
+	"#"		maybe_subst
+	"\\"		maybe_subst_escape
 	"=~-"		ruby_call	noeat
 	"&!"		maybe_esc_ruby_call
+
+:idle_no_ruby Constant
+	*		idle_no_ruby
+	"\n"		line_start
 	"#"		maybe_subst
 	"\\"		maybe_subst_escape
 
@@ -89,7 +95,7 @@
 	*		line_start	call=ruby.ruby(haml)
 
 :maybe_esc_ruby_call Constant
-	*		idle
+	*		idle_no_ruby
 	"="		esc_ruby_call	recolor=-2
 
 :esc_ruby_call Idle
@@ -100,15 +106,15 @@
 	*		line_start	call=ruby.ruby(haml)
 
 :maybe_subst Constant
-	*		idle
+	*		idle_no_ruby
 	"{"		subst		recolor=-2
 
 :subst Escape
 	*		subst
-	"}"		idle
+	"}"		idle_no_ruby
 
 :maybe_subst_escape Constant
-	*		idle
+	*		idle_no_ruby
 
 :filter Filter
 	*		idle