D18793: Handle text completion with block selection mode

[Ahmad Samir]

ahmadsamir added a subscriber: loh.tar.

REPOSITORY
  R39 KTextEditor

REVISION DETAIL
  https://phabricator.kde.org/D18793

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