Papers 48.7
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* Bug fixes:
  - !680 Fixes for the nautilus plugin (Alessandro Astone)
    filename encodings (Qiu Wenbo, Jürn)
  - !670 shell: Fix signing when the rectangle is too small (Marek Kašík)
  - !644 libdocument: fix weak page references (lbaudin)
  - !677 shell: Fix opening PDFs from GVFS mounts like Google Drive (Malika Asman)