From 483a58b779f2bd6c5fff64c9429a766d33e46a41 Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Fri, 2 Jul 2010 15:49:42 +0300
Subject: Now at 2.03.

---
 regex.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'regex.c')

diff --git a/regex.c b/regex.c
index 40118055..618a3a9c 100644
--- a/regex.c
+++ b/regex.c
@@ -502,6 +502,16 @@ re_compile_pattern (pattern, size, bufp)
 	  while (1)
 	    {
 	      PATFETCH (c);
+
+	      /* If awk, \ escapes a ] when inside [...].  */
+	      if ((obscure_syntax & RE_AWK_CLASS_HACK)
+	          && c == '\\' && *p == ']')
+	        {
+	          PATFETCH(c1);
+	          b[c1 / BYTEWIDTH] |= 1 << (c1 % BYTEWIDTH);
+	          continue;
+	        }
+
 	      if (c == ']' && p != p1 + 1) break;
 	      if (*p == '-' && p[1] != ']')
 		{
-- 
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