mantisbt/mantisbt — comment on commit c2bedf744e7ecf33e8bce6c5642af10358f01475
File: docbook/adminguide/en/configuration.sgml line 3076
By dregad:

This is inaccurate - it's an inclusive OR, not a XOR (which would mean that log options are mutually exclusive, and it's not the case - they can be combined). It is also in contradiction with the example on the next line ("|" operator)