D23422: Fix: allow turn off attributes in XML highlighting files

[Nibaldo González]

nibags created this revision.
nibags added reviewers: KTextEditor, dhaumann, cullmann.
Herald added projects: Kate, Frameworks.
Herald added subscribers: kde-frameworks-devel, kwrite-devel.
nibags requested review of this revision.

REVISION SUMMARY
  In syntax highlighting XML files, it doesn't work to turn off attributes, for example: `bold="0"`, `italic="0"` or `underline="0"`.
  
  This is fixed, but only for KSyntaxHighlighting themes, that is, this continues to not work in "KDE" and "Vim (dark)".
  
  To correct that it is necessary to add to the API of the `KSyntaxHighlighting::Format` class, methods such as `hasBold()`, `hasItalic()`, etc. to know if the attributes "bold", "italic", "underline" & "strikeout" are modified in the XML file (the methods `isBold(...)`, `isItalic(...)`, etc., return the combination between the syntax definition and the theme).

REPOSITORY
  R39 KTextEditor

BRANCH
  master

REVISION DETAIL
  https://phabricator.kde.org/D23422

AFFECTED FILES
  src/syntax/katehighlight.cpp

To: nibags, #ktexteditor, dhaumann, cullmann
Cc: kwrite-devel, kde-frameworks-devel, LeGast00n, GB_2, domson, michaelh, ngraham, bruns, demsking, cullmann, sars, dhaumann
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