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Re: info: interactive search and regex patterns


From: Ralf Wildenhues
Subject: Re: info: interactive search and regex patterns
Date: Mon, 11 Feb 2008 21:34:01 +0100
User-agent: Mutt/1.5.13 (2006-08-11)

Hi Karl,

* Karl Berry wrote on Mon, Feb 11, 2008 at 05:48:21PM CET:
>     it is not possible to use, say, backslash or brackets to
>     escape regex-active characters: `a\.', or `a[.]'.
> 
> I think this is somewhat fixed now.  The messages are not optimal, and
> the searching seemed quite slow sometimes, but I don't want to spend
> more time on it now.  (As always, better patches welcome from anyone
> interested in working on Info.)

Ok.  The partial (and thus invalid) regexes still rightly cause a search
failure (and since they search the whole info node, they are slow),
but once completed, they seem to almost do the right thing,
I only find one small difference from what I would expect:
Say, the first occurrence of `a' in the info node is followed by
`utoconf'.   Then, right after `info Autoconf', the sequences
  /a[u]RETURN
  R C^s au

each find the first occurrence of `au', while the sequence
  C^s a[u]

finds the second occurrence of `au'.  But that really is very minor, so
I don't expect you to work on it.

> I changed the prompt too.

Much better.

> Thanks for the report, Ralf.

Anytime.  Thanks for the fixes, and keep up the good work!

Cheers,
Ralf




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