On Mar 28, 2010, at 5:41 PM, Adrian Robert wrote:

> I suspect unneeded calls to one of the icon/icon_type methods in nsfns.m or the miniwindowimage methods in nsterm.m are causing this.  Someone could try shortcircuiting these in the source and seeing if the problem still obtains.

I went ahead and tried this.  The culprit was an unneeded ns_set_icon_type() call.  The attached patch cleans this up by removing some HAVE_NS special handling in xdisp.c.