When using the ‘L’ option, it is important not to specify lists, or ranges of values, as you’ll get confusing/unexpected results

[mengxy]

http://www.quartz-scheduler.org/documentation/quartz-2.3.0/tutorials/crontrigger.html

Cron expression like 0 0 0 2,3,L * ? should be invalid.

[jafin]

Is this just a limitation with the Quartz cron implementation? Shouldn't 2,3,L be valid as 2nd, 3rd and last day of the month (when used in the dayOfMonth position?