D14956: avoid any heap allocation for default constructed Format() as used as "invalid"

[Christoph Cullmann]

cullmann added a comment.


  If that is more elegant, I would be happy with this a solution, too.
  The Format() allocations just showed up as a few MBs during heaptrack profiling of KWrite (just loading one large file and rehighlighting it).

REPOSITORY
  R216 Syntax Highlighting

REVISION DETAIL
  https://phabricator.kde.org/D14956

To: cullmann, vkrause
Cc: dhaumann, kwrite-devel, kde-frameworks-devel, michaelh, kevinapavew, ngraham, bruns, demsking, cullmann, sars
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