Ville Skyttä writes:
XEmacs 21.5.28 is reported to crash in lucid menubar code with
enabled, Fedora development.
Does this build have both XFontSets and Xft enabled? Yes, indeed,
that will crash, although configure should not allow that configuration.
If not, I need an Installation file and recipe to replicate because
that backtrace is missing all of the interesting data,
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