D19785: DocumentPrivate: Review del/backspace

[loh tar]

loh.tar created this revision.
loh.tar added a reviewer: KTextEditor.
Herald added projects: Kate, Frameworks.
Herald added subscribers: kde-frameworks-devel, kwrite-devel.
loh.tar requested review of this revision.

REVISION SUMMARY
  - Avoid bad selection in some case of undo in block mode
  - Don't try to expand selection in block mode when cursor is in col 0 on backspace
  - Improve/fix documentation
  - Code cosmetic

REPOSITORY
  R39 KTextEditor

REVISION DETAIL
  https://phabricator.kde.org/D19785

AFFECTED FILES
  src/document/katedocument.cpp

To: loh.tar, #ktexteditor
Cc: kwrite-devel, kde-frameworks-devel, #ktexteditor, gennad, domson, michaelh, ngraham, bruns, demsking, cullmann, sars, dhaumann
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