D8863: Give warnings when the file is modified externally

[Albert Astals Cid]

aacid updated this revision to Diff 22515.
aacid added a comment.


  actual diff

REPOSITORY
  R223 Okular

CHANGES SINCE LAST UPDATE
  https://phabricator.kde.org/D8863?vs=22514&id=22515

BRANCH
  file_modified_externally

REVISION DETAIL
  https://phabricator.kde.org/D8863

AFFECTED FILES
  part.cpp
  part.h

To: aacid
Cc: #okular, ngraham, aacid
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