CHANGES IN CUPS V1.3.9
+ - Documentation updates (STR #2904)
+ - The scheduler required Kerberos authentication for
+ all operations on remote Kerberized printers instead
+ of just for the operations that needed it.
+ - The socket backend could wait indefinitely for back-
+ channel data with some devices.
- PJL panel messages were not reset correctly on older
printers (STR #2909)
- cupsfilter used the wrong default path (STR #2908)