From 83d56d6d798a28169f00a4c67323a407037c0b0a Mon Sep 17 00:00:00 2001
From: truelight <truelight@openttd.org>
Date: Sat, 19 Aug 2006 09:31:22 +0000
Subject: (svn r5944) -Merge TGP (r5578, r5579, r5724, r5726): -Feature: filter
 for textboxes to only   allow certain patterns (like numbers only)

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

(limited to 'newgrf_text.c')

diff --git a/newgrf_text.c b/newgrf_text.c
index 85f3cd32f..04566bac6 100644
--- a/newgrf_text.c
+++ b/newgrf_text.c
@@ -164,7 +164,7 @@ static void TranslateTTDPatchCodes(char *str)
 			case 0x98: *c = 31; break;
 			default:
 				/* Validate any unhandled character */
-				if (!IsValidAsciiChar(*c)) *c = '?';
+				if (!IsValidAsciiChar(*c, CS_ALPHANUMERAL)) *c = '?';
 				break;
 		}
 	}
-- 
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