From b37fda664c89a17fc739de2cb69b09e904100851 Mon Sep 17 00:00:00 2001
From: peter1138 <peter1138@openttd.org>
Date: Fri, 22 May 2009 12:05:28 +0000
Subject: [PATCH] (svn r16374) -Fix (r11622): Valid UTF-8 sequences between
 0x20 and 0xFF should be allowed as is instead of being treated as control
 codes.

---
 src/newgrf_text.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/newgrf_text.cpp b/src/newgrf_text.cpp
index 9edd243da0..0e5e620f7a 100644
--- a/src/newgrf_text.cpp
+++ b/src/newgrf_text.cpp
@@ -120,7 +120,13 @@ char *TranslateTTDPatchCodes(uint32 grfid, const char *str)
 		if (unicode && Utf8EncodedCharLen(*str) != 0) {
 			c = Utf8Consume(&str);
 			/* 'Magic' range of control codes. */
-			if (GB(c, 8, 8) == 0xE0) c = GB(c, 0, 8);
+			if (GB(c, 8, 8) == 0xE0) {
+				c = GB(c, 0, 8);
+			} else if (c >= 0x20) {
+				if (!IsValidChar(c, CS_ALPHANUMERAL)) c = '?';
+				d += Utf8Encode(d, c);
+				continue;
+			}
 		} else {
 			c = (byte)*str++;
 		}