Public bug reported:
The root cause of https://github.com/mate-desktop/mate-themes/issues/57 and
https://bugs.launchpad.net/ubuntu/+source/emacs23/+bug/538541
(murrine_style_draw_box: assertion `height >= -1' failed) is gtk_range_expose
not clamping height and width to a sane value if trough-under-steppers is
enabled, the window is very small (like in init), and the theme has non-zero
offsets.
The attached patch should solve the problem (based on 2.24.32-1ubuntu1).
** Affects: gtk+2.0 (Ubuntu)
Importance: Undecided
Status: New
** Patch added: "Clamp height and width to at least -1"
https://bugs.launchpad.net/bugs/1884682/+attachment/5386254/+files/range-clamp.patch
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https://bugs.launchpad.net/bugs/1884682
Title:
gtk_range_expose can set height/width < -1 when trough-under-steppers
is enabled
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