From 960971d43f509557a6bb2a0008a19f353c7caabf Mon Sep 17 00:00:00 2001
From: Leah Neukirchen <leah@vuxu.org>
Date: Mon, 9 Oct 2017 16:18:59 +0200
Subject: allow \ escapes in ranges

---
 xe.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/xe.c b/xe.c
index 109e161..664d3e2 100644
--- a/xe.c
+++ b/xe.c
@@ -436,6 +436,8 @@ perc(char *pat, char *str, int lvl)
 			neg = 1;
 		}
 		for (matched = 0; *pat && *pat != ']'; pat++) {
+			if (*pat == '\\')
+				pat++;
 			if (pat[1] == '-' && pat[2] != ']') {
 				if (pat[0] <= *str && *str <= pat[2])
 					matched = 1;
@@ -463,8 +465,11 @@ perc(char *pat, char *str, int lvl)
 				else if (*pat == '}')
 					l--;
 				else if (*pat == '[')
-					while (*pat && *pat != ']')
+					while (*pat && *pat != ']') {
+						if (*pat == '\\' && pat[1])
+							pat++;
 						pat++;
+					}
 		}
 		return e ? perc(pat, e, lvl) : 0;
 	case ',':
-- 
cgit 1.4.1