From f4a99cc02cabd7f2607e21b6b52b1eeba723a3fd Mon Sep 17 00:00:00 2001
From: Erik Andersen <andersen@codepoet.org>
Date: Wed, 5 Jan 2000 05:49:51 +0000
Subject: [PATCH] heheh. Forgot the fix.  Here it is:

* Grep -i previously failed on UPPER CASE patterns due to a silly
    regexp implementation bug that is now fixed.

 -Erik
---
 regexp.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/regexp.c b/regexp.c
index b264ffb6f..11b46c720 100644
--- a/regexp.c
+++ b/regexp.c
@@ -385,11 +385,14 @@ static int match1(regexp* re, char ch, int token, int ignoreCase)
 		if (re->program[1 + 32 * (token - M_CLASS(0)) + (ch >> 3)] & (1 << (ch & 7)))
 			return 0;
 	}
-	else if (ch == token
-		|| (ignoreCase==TRUE && isupper(ch) && tolower(ch) == token))
+//fprintf(stderr, "match1: ch='%c' token='%c': ", ch, token);
+	if (ch == token
+		|| (ignoreCase==TRUE && tolower(ch) == tolower(token)))
 	{
+//fprintf(stderr, "match\n");
 		return 0;
 	}
+//fprintf(stderr, "no match\n");
 	return 1;
 }
 
-- 
2.25.1