[Geany] Adding an a second extension for filetype

[Enrico Troeger]

Hi,

>> I would files with an uppercase "C" as an extension to
>> be recognized as c++ source code.   Is there a way to
>> add this extension to the existing c++ extension?
technically this is no problem, but I'm unsure whether .C is not
indicating a C file rather than a C++ file.

I'm just unsure, so convince me.   ;-)

regards,
Enrico