From 35998a93f9a59a34477890637fda75982d9a5e1c Mon Sep 17 00:00:00 2001
From: Andrew Chambers <andrewchambers@fastmail.com>
Date: Fri, 15 Feb 2019 20:03:29 +1300
Subject: Fix hex escape in char literals.

---
 expr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/expr.c b/expr.c
index 75c0423..88cf764 100644
--- a/expr.c
+++ b/expr.c
@@ -148,7 +148,7 @@ unescape(char **p)
 			++s;
 			assert(isxdigit(*s));
 			c = 0;
-			do c = c * 16 + (*s > '9' ? tolower(*s) - 'a' : *s - '0');
+			do c = c * 16 + (*s > '9' ? 10 + tolower(*s) - 'a' : *s - '0');
 			while (isxdigit(*++s));
 			break;
 		default:
-- 
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