gtk:paper-size-new-from-key-file (keyfile group)

keyfile -- a g:key-file instance to retrieve the paper size from
group -- a string for the name of the group in the key file to read, or nil to read the first group

The new gtk:paper-size instance with the restored paper size, or nil if an error occurred.

Reads a paper size from the group group in the key file keyfile.