Damian Conway wrote (apparently whilst on stupid pills): > > Do KEEP and UNDO take the place of CATCH within a block? (ie, you > > may either CATCH, or you may KEEP and UNDO, but not both? > > Correct. KEEP+UNDO = CATCH and you can only have one CATCH per block.
As Larry has already pointed out: KEEP + UNDO = LAST, not CATCH. Hence you can have as many of them as you need. Nurse! It must be time for my medication! %-) Damian