<p>@ekextr using Scintilla word lists for that is unrealistic in the current state of things, it's way too slow.  I tried populating the list of C preprocessor symbols in a plugin, with all the macros definitions, and it caused very annoying slowdowns.  Nothing causing a lockup, but way enough to be noticeable and annoying.<br>
So I'd think that the very same kind of problem would show with a very large list of function names.  Possibly worse as there are a lot more identifiers to check against.  Or possibly less because there's nothing to further compute.<br>
Anyway, I think before searching down this path testing how Scintilla can cope with a <em>huge</em> keyword list is needed.</p>

<p>Also, as there is actual syntax for function declarations and call, it might make more sense to highlight that syntax rather than known function names.</p>

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