Suppress unnecessary translation related warnings on Windows
When launching meld3 from the command line especially msys2 environment, you will see the following warning messages related to translation. I don't think this is an issue but there's a workaround to suppress it by using gettext module instead of libintl with ctypes.cdll class.
Couldn't bind the translation domain. Some translations won't work.
[WinError 126] The specified module could not be found
If you apply some changes to use gettext into the following part:
those unnecessary warnings will never be shown.