[nemo@PhotonQ ~]$ grep MimeType /usr/share/applications/depecher-openurl.desktop
#MimeType=x-scheme-handler/tg;x-maemo-highlight/tg-joinchat-url;x-maemo-highlight/tg-resolve-url;
MimeType=x-scheme-handler/tg;x-url-handler/t.me;x-url-handler/telegram.me;x-url-handler/telegram.dog;
[nemo@PhotonQ ~]$ devel-su update-desktop-database
Password:
Warning in file "/usr/share/applications/harbour-videoPlayer.desktop": usage of MIME type "x-maemo-urischeme/mms" is discouraged (the use of "x-maemo-urischeme" as media type is strongly discouraged in favor of a subtype of the "application" media type)
Warning in file "/usr/share/applications/harbour-videoPlayer.desktop": usage of MIME type "x-maemo-urischeme/rtmp" is discouraged (the use of "x-maemo-urischeme" as media type is strongly discouraged in favor of a subtype of the "application" media type)
Warning in file "/usr/share/applications/harbour-videoPlayer.desktop": usage of MIME type "x-maemo-urischeme/rtsp" is discouraged (the use of "x-maemo-urischeme" as media type is strongly discouraged in favor of a subtype of the "application" media type)
[nemo@PhotonQ ~]$ xdg-open https://t.me/sailfishos_porters