CUPS itself treats custom paper sizes correctly. You can do it via the command line
lpr -o PageSize=Custom.10x20cm <file>
The problem is the GUI implementation (most probably in GTK) for setting a custom size from the printing dialog.
Moving to GTK ...
CUPS itself treats custom paper sizes correctly. You can do it via the command line
lpr -o PageSize= Custom. 10x20cm <file>
The problem is the GUI implementation (most probably in GTK) for setting a custom size from the printing dialog.
Moving to GTK ...