https://manpages.ubuntu.com/manpages/xenial/man3/Tk_FreeFont.3tk.html
Ubuntu Manpage: Tk_AllocFontFromObj, Tk_GetFont, Tk_GetFontFromObj, Tk_NameOfFont,
ubuntumanpagetkgetfont
https://manpages.ubuntu.com/manpages/xenial/man3/Tk_NameOfFont.3tk.html
Ubuntu Manpage: Tk_AllocFontFromObj, Tk_GetFont, Tk_GetFontFromObj, Tk_NameOfFont,
ubuntumanpagetkgetfont
https://manpages.ubuntu.com/manpages/xenial/man3/Tk_GetFont.3tk.html
Ubuntu Manpage: Tk_AllocFontFromObj, Tk_GetFont, Tk_GetFontFromObj, Tk_NameOfFont,
ubuntumanpagetkgetfont