Changes in 2.91.9:
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* Updates for GTK+ API changes
* Added URI scheme handler information (Matthias Clasen)
* Removed custom man parser, using groff output (Rupert Swarbrick)
* Don't segfault when bookmarking man pages (Rupert Swarbrick)
* Updated translations:
  de    (Mario Blättermann)
  es    (Jorge González)
  et    (Ivar Smolin)
  he    (Yaron Shahrabani)
  nb    (Kjartan Maraas)
  ug    (Gheyret T.Kenji)