On Saturday August 05 2017 17:24:13 Kevin Krammer wrote: >I think they are part of the KTextEditor Framework now, Kate and friends >depend on.
The SyntaxHighlighting framework, nowadays. AFAIK the system location for the highlighthing files is $prefix/share/org.kde.syntax-highlighting/syntax . User-specific copies (also those downloaded with Kate's built-in updater) are stored in ~/.local/share/org.kde.syntax-highlighting/syntax . R.