diff --git a/7.1.187 b/7.1.187
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+To: vim-dev@vim.org
+Subject: Patch 7.1.187
+Fcc: outbox
+From: Bram Moolenaar <Bram@moolenaar.net>
+Mime-Version: 1.0
+Content-Type: text/plain; charset=ISO-8859-1
+Content-Transfer-Encoding: 8bit
+------------
+
+Patch 7.1.187
+Problem:    Win32 GUI: Custom completion using system() no longer works
+	    after patch 7.1.104. (Erik Falor)
+Solution:   Loop when safe_vgetc() returns K_IGNORE.
+Files:	    src/ex_getln.c
+
+
+*** ../vim-7.1.186/src/ex_getln.c	Fri Dec  7 20:28:13 2007
+--- src/ex_getln.c	Wed Jan  2 21:42:51 2008
+***************
+*** 335,341 ****
+  	quit_more = FALSE;	/* reset after CTRL-D which had a more-prompt */
+  
+  	cursorcmd();		/* set the cursor on the right spot */
+! 	c = safe_vgetc();
+  	if (KeyTyped)
+  	{
+  	    some_key_typed = TRUE;
+--- 335,348 ----
+  	quit_more = FALSE;	/* reset after CTRL-D which had a more-prompt */
+  
+  	cursorcmd();		/* set the cursor on the right spot */
+! 
+! 	/* Get a character.  Ignore K_IGNORE, it should not do anything, such
+! 	 * as stop completion. */
+! 	do
+! 	{
+! 	    c = safe_vgetc();
+! 	} while (c == K_IGNORE);
+! 
+  	if (KeyTyped)
+  	{
+  	    some_key_typed = TRUE;
+***************
+*** 1209,1215 ****
+  		goto cmdline_not_changed;
+  
+  	case K_IGNORE:
+! 		goto cmdline_not_changed;	/* Ignore mouse */
+  
+  #ifdef FEAT_GUI_W32
+  	    /* On Win32 ignore <M-F4>, we get it when closing the window was
+--- 1216,1223 ----
+  		goto cmdline_not_changed;
+  
+  	case K_IGNORE:
+! 		/* Ignore mouse event or ex_window() result. */
+! 		goto cmdline_not_changed;
+  
+  #ifdef FEAT_GUI_W32
+  	    /* On Win32 ignore <M-F4>, we get it when closing the window was
+*** ../vim-7.1.186/src/version.c	Wed Jan  2 21:07:32 2008
+--- src/version.c	Wed Jan  2 21:53:24 2008
+***************
+*** 668,669 ****
+--- 668,671 ----
+  {   /* Add new patch number below this line */
++ /**/
++     187,
+  /**/
+
+-- 
+FATHER:    Who are you?
+PRINCE:    I'm ... your son ...
+FATHER:    Not you.
+LAUNCELOT: I'm ... er ... Sir Launcelot, sir.
+                 "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD
+
+ /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
+///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
+\\\        download, build and distribute -- http://www.A-A-P.org        ///
+ \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///