From 4b75dfe0c5eb9466ffc7a160fd0fb230c44ce5ff Mon Sep 17 00:00:00 2001
From: Dmitry Bogatov <KAction@gnu.org>
Date: Sat, 15 Aug 2015 00:54:25 +0300
Subject: Improve shell highlighting

  * lower case variables names are now recognized
  * special variables ($?, $*, etc) are treated specially
  * non-sense, like ${foo is not treated as variable reference anymore
---
 config.def.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/config.def.h b/config.def.h
index 78b2ccb..fdd20ae 100644
--- a/config.def.h
+++ b/config.def.h
@@ -982,7 +982,13 @@ static Syntax syntaxes[] = {{
 		"^[0-9A-Z_]+\\(\\)",
 		&colors[COLOR_CONSTANT],
 	},{
-		"\\$\\{?[0-9A-Z_!@#$*?-]+\\}?",
+		"\\$[?!@#$?*-]",
+		&colors[COLOR_VARIABLE],
+	},{
+		"\\$\\{[A-Za-z_][0-9A-Za-z_]+\\}",
+		&colors[COLOR_VARIABLE],
+	},{
+		"\\$[A-Za-z_][0-9A-Za-z_]+",
 		&colors[COLOR_VARIABLE],
 	},{
 		B"(case|do|done|elif|else|esac|exit|fi|for|function|if|in|local|read|return|select|shift|then|time|until|while)"B,
-- 
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