Absence of a named property vector and it's type mismatch
are easily identified.

The fmt library happily accepts std::string without
any conversions.

find *Lib -type f | xargs sed -i 'N;s%\(^\/\*\*\)\n \*$%\1%'

Fixes multiple copyright messages in the doxygen docu.

ag '\\file' -L --ignore=ThirdParty *Lib |xargs  sed -i 's/\(.*\)\\copyright/\1\\file\n\1\\copyright/'

[BC] Added two auxiliary functions to avoid the way of inheritance for reducing source code duplication.