Ticket #1017 (closed todo: wontfix)
recognize the <a b c> form of alternation
Reported by: | coke | Owned by: | pmichaud |
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Priority: | normal | Milestone: | |
Component: | PGE | Version: | trunk |
Severity: | medium | Keywords: | |
Cc: | Language: | ||
Patch status: | Platform: |
Description
Original Post:
A <?before> rule with a space between the '<' and the '?' compiles but fails at execution with the unhelpful message : Unable to find regex '' Null PMC access in invoke() -- cognominal stef
Followup:
I agree that this is not a useful error message. However, when PGE is corrected to follow the specification the regex < ?before foo> would be identical to '?before' | 'foo' and no error message would be generated at all. (PGE hasn't been updated to recognize the < a b c > form of alternation.) Pm
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