Be more careful about querying randr
Check for extension version and number of outputs: XRRGetScreenResourcesCurrent was added in v1.3. Also, there's no guarantee it returns any outputs, and we don't want to die with a BadRROutput error.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Check for extension version and number of outputs: XRRGetScreenResourcesCurrent was added in v1.3. Also, there's no guarantee it returns any outputs, and we don't want to die with a BadRROutput error.