D9361: Highlighting Indexer: Support cross-hl context checking

[Volker Krause]

vkrause accepted this revision.

REPOSITORY
  R216 Syntax Highlighting

BRANCH
  FixIncludeRulesCheck (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D9361

To: dhaumann, vkrause, cullmann
Cc: #frameworks