[PATCH v2 0/6] MR2456: widl: Improve error messages source location.

[Rémi Bernon]

--
  v2: widl: Print the import stack and context in messages.
      widl: Improve accuracy of error messages location.
      widl: Enable bison locations option.
      widl: Move diagnostic and location functions to parser.l.
      widl: Allow source location to span over multiple lines.
      widl: Rename (error|warning)_loc_info to (error|warning)_at.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/2456