`cxx` changes backported from ctags. I'm not sure if this actually fixes anything but it's an obvious mistake. Also add warning that `geany_c.c` is not used for C & C++. You can view, comment on, or merge this pull request online at:

https://github.com/geany/geany/pull/3478

-- Commit Summary --

* Fix copying comma in cxxTokenCopy

-- File Changes --

M ctags/parsers/cxx/cxx_parser_function.c (2) M ctags/parsers/cxx/cxx_token.c (2) M ctags/parsers/geany_c.c (2)

-- Patch Links --

https://github.com/geany/geany/pull/3478.patch https://github.com/geany/geany/pull/3478.diff