From ae63b8010b2fbac2eb591da888eefa9566da2b5f Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Tue, 17 Aug 2004 11:51:20 +0000
Subject: [PATCH] Remove extraneous underscores at start and end of Rectangles
 seeds.

[originally from svn r4473]
---
 rect.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/rect.c b/rect.c
index b9d7cda..06ccff6 100644
--- a/rect.c
+++ b/rect.c
@@ -881,7 +881,13 @@ char *new_game_seed(game_params *params, random_state *rs)
                     run -= c - ('a' - 1);
                 }
             } else {
-                *p++ = '_';
+                /*
+                 * If there's a number in the very top left or
+                 * bottom right, there's no point putting an
+                 * unnecessary _ before or after it.
+                 */
+                if (p > seed && n > 0)
+                    *p++ = '_';
             }
             if (n > 0)
                 p += sprintf(p, "%d", n);