Multiple levels of <value> generated by AutoDoc.
Imported from http://bugzilla.roxen.com/bugzilla/show_bug.cgi?id=1902
Reported by Martin Nilsson, IDA nilsson@pike.ida.liu.se
The autodoc
*! @int *! @value 0 *! Throw an error.
gets converted into
0
Throw an error.
which appears to be one level of too much.