check font refcounting
(Just a reminder to myself to fix this before 0.62.)
Got this one after being idle for a few seconds after printing some symbols from U+1FBxx block and changing zoom level (increase plus decrease):
vte-2.91: cairo-scaled-font.c:1321: cairo_scaled_font_destroy: Zusicherung »CAIRO_REFERENCE_COUNT_HAS_REFERENCE (&scaled_font->ref_count)« nicht erfüllt.
Possibly (likely?) caused by one of my recent refactorings from vtedraw.cc.
Edited by Christian Persch