Fixes:
- Compatible with Nextcloud 26
- Fix #217 - do not use socket_last_error() on file pointer
- Fix #203 - problem with comments with non-ASCII characters
AppImage version:
- Collabora Online Development Edition (CODE) tag cp-22.05.13-1
- Collabora Office tag cp-22.05.13-1
- See also: CODE 22.05 release notes