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Re: Bug #25608 and the comment-cache branch


From: Stefan Monnier
Subject: Re: Bug #25608 and the comment-cache branch
Date: Sun, 05 Feb 2017 20:12:13 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

>         |      Speed       Direction of scanning     Correct parsing
> ------------------------------------------------------------------------
> CC      |       OK             forwards                   yes
> M-t     |       OK             backwards                  no [1]
> M-nil   |       Slow           backwards                  probably [2]
> AP      |       OK             backwards                  no [3]

And its parsing is correct if you assume that syntax-ppss works
correctly (and if it doesn't, it's something that needs to be fixed
anyway because it has much worse consequences than just messing
(forward-comment -1)).


        Stefan




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