From c60f304fb62395cff28f273f1ec206c0c4df1492 Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Wed, 22 Nov 2000 20:16:37 +0000
Subject: Improve Jed mode's ability to deal with nested braces in comments

[originally from svn r811]
---
 misc/buttress.sl | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'misc')

diff --git a/misc/buttress.sl b/misc/buttress.sl
index 1a88515..3474790 100644
--- a/misc/buttress.sl
+++ b/misc/buttress.sl
@@ -11,6 +11,14 @@ set_syntax_flags ($1, 8);
 
 #ifdef HAS_DFA_SYNTAX
 %enable_highlight_cache ("buttress.dfa", $1);
+
+% A braced comment in Buttress is \#{ ... }, where ... may contain
+% any correctly nested sequence of braces. Of course we can't match
+% that in a DFA rule, so we'll go down to a reasonable depth of 3
+% instead.
+define_highlight_rule ("\\\\#{[^{}]*({[^{}]*({[^}]*}[^{}]*)*}[^{}]*)*}",
+		       "Qcomment", $1);
+
 define_highlight_rule ("\\\\#.*$", "comment", $1);
 define_highlight_rule ("^\\\\c([ \t].*)?$", "string", $1);
 define_highlight_rule ("\\\\[\\\\{}\\-_]", "keyword0", $1);
-- 
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