Re: Empty tooltips under X

[martin rudalics]

 > Looks like a Heisenbug.  Sometimes the tooltip is shown for a very short
 > moment only, sometimes it's shown quite normally, sometimes not at all.

I've been able to trace this back to the following commit:

[9d6ec23f7d4f8fbbfdcea353c4b58e47f76a7342] Update frame title when redisplay 
scrolls selected window

Any objections against the attached patch?

martin

xdisp.diff
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