URL:
<http://savannah.gnu.org/bugs/?22295>
Summary: regex isearch results inconsistent
Project: texinfo - GNU documentation system
Submitted by: karl
Submitted on: Tuesday 02/12/2008 at 08:53
Category: info
Release: 4.11+dev
Priority: 5 - Normal
Severity: 3 - Normal
Item Group: bug
Privacy: Public
Open/Closed: Open
Assigned to: None
Status: None
Discussion Lock: Any
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Details:
Date: Mon, 11 Feb 2008 21:34:01 +0100
From: Ralf Wildenhues <[EMAIL PROTECTED]>
To: Karl Berry <[EMAIL PROTECTED]>
Cc: [email protected]
Subject: Re: info: interactive search and regex patterns
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'.
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