Improve makefile highlighter

makefile.jsf

@@ -7,16 +7,16 @@
 =Escape		bold cyan
 =Bad		bold red
 
-=BadSpace	inverse red
-=Variable	blue
-=Target		fg_310 # brown
+=RecipeCont	bold cyan
+=TargetPhony	yellow
+=TargetOther	fg_310 # brown
 =TargetRest
 
 :line_start Idle
 	*		idle		noeat
-	" "		bad_space	recolor=-1
 	"#"		line_comment	recolor=-1
-	"a-zA-Z_"	maybe_var_or_target	mark
+	"a-zA-Z._"	maybe_target	mark buffer
+	"\t"		recipe
 
 :idle Idle
 	*		idle
@@ -31,8 +31,23 @@
 	*		substitute
 	")"		idle
 
-:bad_space BadSpace
-	*		line_start	noeat
+:recipe Idle
+	*		recipe
+	"$"		maybe_r_substitute
+	"\\"		recipe_cont	recolor=-1
+	"\n"		line_start
+
+:recipe_cont RecipeCont
+	*		recipe		noeat
+	"\n"		recipe
+
+:maybe_r_substitute Idle
+	*		recipe		noeat
+	"("		r_substitute	recolor=-2
+
+:r_substitute Constant
+	*		r_substitute
+	")"		recipe
 
 :line_comment Comment
 	*		line_comment
@@ -40,17 +55,18 @@
 	"BFHNTX"	line_comment		noeat call=.comment_todo()
 	"\n"		line_start
 
-:maybe_var_or_target Idle
+:maybe_target Idle
 	*		idle		noeat
-	"a-zA-Z_-"	maybe_var_or_target
-	"="		variable	recolormark
-	":"		target		noeat recolormark
+	":"		target_other	noeat recolormark strings
+	".PHONY"	target_phony
+done
+	"a-zA-Z._-"	maybe_target
 
-:variable Variable
-	*		idle		noeat
+:target_phony TargetPhony
+	*		target_rest	noeat
 
-:target Target
-	*		target_rest
+:target_other TargetOther
+	*		target_rest	noeat
 
 :target_rest TargetRest
 	*		target_rest