From 23417ddacefb95313733190bdde08af9bae754b9 Mon Sep 17 00:00:00 2001
From: robertl <robertl>
Date: Thu, 17 Jan 2008 02:25:14 +0000
Subject: [PATCH] Allow uppercase hex encoded entities in GPX.

---
 gpx.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gpx.c b/gpx.c
index 7e33d2871..20121117b 100644
--- a/gpx.c
+++ b/gpx.c
@@ -1355,11 +1355,12 @@ gpx_read(void)
 					semi = strchr( badchar, ';' );
 					if ( semi ) {
 						while (*hexit && *hexit != ';') {
+							char hc = isalpha(*hexit) ? tolower (*hexit) : *hexit;
 							val *= 16;
-							val += strchr( hex, *hexit )-hex;
+							val += strchr( hex, hc)-hex;
 							hexit++;
 						}
-						
+
 						if ( val < 32 ) {
 							warning( MYNAME ": Ignoring illegal character %s;\n\tConsider emailing %s at <%s>\n\tabout illegal characters in their GPX files.\n", badchar, gpx_author?gpx_author:"(unknown author)", gpx_email?gpx_email:"(unknown email address)" );
 							memmove( badchar, semi+1, strlen(semi+1)+1 );
-- 
2.30.2