diff -up libX11-1.6.3/modules/im/ximcp/imDefFlt.c.jx libX11-1.6.3/modules/im/ximcp/imDefFlt.c

--- libX11-1.6.3/modules/im/ximcp/imDefFlt.c.jx	2015-03-09 18:28:45.000000000 -0400

+++ libX11-1.6.3/modules/im/ximcp/imDefFlt.c	2015-03-10 12:32:31.912149644 -0400

@@ -142,7 +142,7 @@ _XimProtoKeypressFilter(

 {

     Xim		im = (Xim)ic->core.im;

-    if (IS_FABRICATED(im)) {

+    if ((ev->keycode == 0) || IS_FABRICATED(im)) {

 	_XimPendingFilter(ic);

 	UNMARK_FABRICATED(im);

 	return NOTFILTERD;

diff -up libX11-1.6.3/modules/im/ximcp/imDefLkup.c.jx libX11-1.6.3/modules/im/ximcp/imDefLkup.c

--- libX11-1.6.3/modules/im/ximcp/imDefLkup.c.jx	2015-03-09 18:28:45.000000000 -0400

+++ libX11-1.6.3/modules/im/ximcp/imDefLkup.c	2015-03-10 12:32:31.911149637 -0400

@@ -332,6 +332,17 @@ _XimForwardEvent(

     XEvent	*ev,

     Bool	 sync)

 {

+    /*

+     * Don't forward a key event which has keycode=0.

+     * keycode=0 is reserved for special purpose to let Xmb/wcLookupString()

+     * functions know that there is a commited string available from IM.

+     */

+    if (((ev->type == KeyPress) || (ev->type == KeyRelease))) {

+        if (((XKeyEvent *)ev)->keycode == 0) {

+            return True;

+        }

+    }

+

 #ifdef EXT_FORWARD

     if (((ev->type == KeyPress) || (ev->type == KeyRelease)))

 	if (_XimExtForwardKeyEvent(ic, (XKeyEvent *)ev, sync))

@@ -604,6 +615,19 @@ _XimUnregCommitInfo(

     Xfree(info->keysym);

     ic->private.proto.commit_info = info->next;

     Xfree(info);

+

+    /*

+     * "Commit" uses fabricated flag to process a commited string

+     * from IM engine.  

+     * Turn off the fabricated flag here (unregister the commited

+     * information function). Otherwise, next regular key press

+     * event will be ignored at _XimProtoKeypressFilter() and it

+     * will not be passed to IM engine.

+     */

+    if (IS_FABRICATED(ic)) {

+        UNMARK_FABRICATED(ic);

+    }

+

     return;

 }