diff -ruN postgresql-8.1.1-old/src/bin/psql/prompt.c postgresql-8.1.1/src/bin/psql/prompt.c
--- postgresql-8.1.1-old/src/bin/psql/prompt.c	2005-10-15 04:49:40.000000000 +0200
+++ postgresql-8.1.1/src/bin/psql/prompt.c	2005-12-22 19:12:47.000000000 +0100
@@ -296,8 +296,7 @@
 					 * characters in prompt strings must be marked as such, in
 					 * order to properly display the line during editing.
 					 */
-					buf[0] = '\001';
-					buf[1] = (*p == '[') ? RL_PROMPT_START_IGNORE : RL_PROMPT_END_IGNORE;
+					buf[0] = (*p == '[') ? RL_PROMPT_START_IGNORE : RL_PROMPT_END_IGNORE;
 #endif   /* USE_READLINE */
 					break;