diff -Naur ratpoison/doc/ratpoison.texi ratpoison.lastcolon/doc/ratpoison.texi
--- ratpoison/doc/ratpoison.texi	Fri Oct 19 08:47:45 2001
+++ ratpoison.lastcolon/doc/ratpoison.texi	Thu Nov  8 17:06:54 2001
@@ -260,6 +260,10 @@
 @item C-t C-:
 This allows you to execute a single ratpoison command.
 
address@hidden C-t ;
address@hidden C-t C-;
+Run the last colon command.
+
 @item C-t !
 Run a shell command.
 
@@ -487,6 +491,11 @@
 use @command{delete}, but just in case you need to rip the heart out of a
 misbehaving window this command should do the trick. Also available as
 @kbd{C-t K}.
+
address@hidden lastcolon
+Run the last colon command. The command is loaded into the input window
+first, allowing it to be edited. By default, this is bound to
address@hidden ;}.
 
 @item lastmsg
 Display the last message.
diff -Naur ratpoison/src/actions.c ratpoison.lastcolon/src/actions.c
--- ratpoison/src/actions.c	Fri Oct 19 08:47:45 2001
+++ ratpoison.lastcolon/src/actions.c	Wed Nov  7 16:07:26 2001
@@ -29,6 +29,7 @@
 static rp_action *key_actions;
 static int key_actions_last;
 static int key_actions_table_size;
+static char *last_colon_command = NULL;
 
 static user_command user_commands[] = 
   { {"abort",		cmd_abort,	arg_VOID},
@@ -78,6 +79,7 @@
     {"restart",		cmd_restart,	arg_VOID},
     {"startup_message",	cmd_startup_message, arg_STRING},
     {"link",		cmd_link,	arg_STRING},
+    {"lastcolon",	cmd_last_colon,	arg_VOID},
 
     /* Commands to set default behavior. */
     {"defbarloc",		cmd_defbarloc, 		arg_STRING},
@@ -291,6 +293,8 @@
   add_keybinding (XK_p, RP_CONTROL_MASK, "prev");
   add_keybinding (XK_quoteright, 0, "select");
   add_keybinding (XK_quoteright, RP_CONTROL_MASK, "select");
+  add_keybinding (XK_semicolon, 0, "lastcolon");
+  add_keybinding (XK_semicolon, RP_CONTROL_MASK, "lastcolon");
   add_keybinding (XK_space, 0, "next");
   add_keybinding (XK_space, RP_CONTROL_MASK, "next");
   add_keybinding (XK_v, 0, "version");
@@ -878,7 +882,10 @@
   if (result)
     free (result);
   
-  free (input);
+  if (last_colon_command)
+    free (last_colon_command);
+
+  last_colon_command = input;
 
   return NULL;
 }
@@ -1990,5 +1997,12 @@
   if (cmd)
     return command (interactive, cmd);
 
+  return NULL;
+}
+
+char *
+cmd_last_colon (int interactive, void *data)
+{
+  cmd_colon (interactive, last_colon_command);
   return NULL;
 }
diff -Naur ratpoison/src/actions.h ratpoison.lastcolon/src/actions.h
--- ratpoison/src/actions.h	Fri Oct 19 08:47:45 2001
+++ ratpoison.lastcolon/src/actions.h	Tue Nov  6 10:48:57 2001
@@ -103,6 +103,7 @@
 char * cmd_startup_message (int interactive, void *data);
 char * cmd_focuslast (int interactive, void *data);
 char * cmd_link (int interactive, void *data);
+char * cmd_last_colon (int interactive, void *data);
 
 /* void cmd_xterm (void *data); */
 
diff -Naur ratpoison/src/input.c ratpoison.lastcolon/src/input.c
--- ratpoison/src/input.c	Fri Oct 19 08:47:45 2001
+++ ratpoison.lastcolon/src/input.c	Tue Nov  6 11:28:17 2001
@@ -316,7 +316,7 @@
   int nbytes;
   screen_info *s = current_screen ();
   int cur_len = 0;		/* Current length of the string. */
-  int allocated_len=100; /* The amount of memory we allocated for str */
+  int allocated_len = 100; /* The amount of memory we allocated for str */
   KeySym ch;
   unsigned int modifier;
   int revert;
@@ -324,7 +324,9 @@
   char *str;
 
   /* Allocate some memory to start with */
-  str = (char *) xmalloc ( allocated_len );
+  if (preinput != NULL)
+    allocated_len = strlen (preinput) + 100;
+  str = (char *) xmalloc (allocated_len);
 
   /* load in the preinput */
   strcpy (str, preinput);