Subject: [Tools-discuss] Bug in the Perl ABNF parser?

From: Stephane Bortzmeyer <[email-masked]>
Date: Mon, 20 Nov 2006 23:08:29 +0100

[Is the Perl ABNF still parser still maintained? The email address in
the source bounces. If it is not maintained any more, wouldn't it be a
good idea to indicate it on the Web page at tools.ietf.org?]

The attached grammar, extracted from draft-ietf-imapext-sort-18.txt
seems perfectly legal (and is accepted by all the other tools) but
make the Perl parser protest:

...
Rule: subj-trailer    = "(fwd)" / WSP
Rule: subj-base       = NONWSP *(*WSP NONWSP)
                     ; can be a subj-blob
Not OK
Syntax error: BLOBCHAR        = %x01-5a<*> / %x5c / 

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