Dear gtklp package maintainer, Consider upgrading to 1.3.3 to fix the bug with filenames:
https://gtklp.sirtobi.com/changelog.shtml *** Fix display of file arguments passed on the commandline. *** Greetings, -- Camaleón
- Bug#900898: Unable to print files by command line or by passing ... Camaleón
- Bug#900898: Consider upgrading to 1.3.3 Camaleón
