D17243: Only cal updateView() in visibleRange() when endPos() is invalid.

[Kåre Särs]

sars added a comment.


  Note: this is especially bad when the "on the fly spellchecking" is enabled 
as visibleRange() is used to "optimize" and only highlight what is currently 
visible. It is called multiple times.

REPOSITORY
  R39 KTextEditor

REVISION DETAIL
  https://phabricator.kde.org/D17243

To: sars, cullmann, #kate, dhaumann
Cc: kwrite-devel, kde-frameworks-devel, hase, michaelh, ngraham, bruns, 
demsking, cullmann, sars, dhaumann