I had a similar problem with a bunch of template functions that appeared twice in the documentation, once as static and once.
.inl (- .hpp ), .h. EXTENSION_MAPPING inl=c++ . .h, , Doxygen , , . , Doxygen - , static . , ++ - .
.inl, , ( @file). , , - . , (, , ) .inl #ifndef DOXYGEN .