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Re: Structural regular expressions
From: |
Lawrence Mitchell |
Subject: |
Re: Structural regular expressions |
Date: |
Wed, 08 Sep 2010 10:20:18 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (usg-unix-v) |
Stefan Monnier wrote:
>> Would generalizing the narrowing behavior to arbitrarily many ranges in
>> a buffer instead of a single range have extensive ramifications? Would
>> this be an easy or difficult thing to implement?
> Since the non-narrowed part is not displayed at all, it wouldn't be
> quite what we want anyway.
> We'd need to add something new, tho it could be based on something
> pre-existing (e.g. it could rely on text properties like to `invisible'
> and/or `intangible').
>> If it's not too difficult then providing behavior like that mentioned in
>> the article above should be trivial.
> Nothing's trivial when you have to ensure some amount of backward
> compatibility with code written many years ago ;-)
> But of course, it would be OK to start with something that may break
> pre-existing code, as long as it's only broken when you use the
> new feature.
> And I agree with Lennart, that such a new tool, if done right, could be
> a good basis for better multi-mode support.
A halfway house, similar to that suggested by Drew, would be
something like
http://www2.ph.ed.ac.uk/~s0198183/multi-region.el. ISTR some
discussion when it was posted in g.e.sources, *grovels through
mail*:
http://thread.gmane.org/gmane.emacs.sources/1390
Maybe this is a useful feature to now think about incorporating
:P.
Lawrence
--
Lawrence Mitchell <address@hidden>
- Structural regular expressions, Tom, 2010/09/07
- Re: Structural regular expressions, Lennart Borgman, 2010/09/07
- Re: Structural regular expressions, Tom, 2010/09/07
- Re: Structural regular expressions, Lennart Borgman, 2010/09/07
- Re: Structural regular expressions, Eric Schulte, 2010/09/07
- Re: Structural regular expressions, Stefan Monnier, 2010/09/08
- Re: Structural regular expressions,
Lawrence Mitchell <=
- Re: Structural regular expressions, Kan-Ru Chen, 2010/09/08
- Re: Structural regular expressions, Harald Hanche-Olsen, 2010/09/09
- Re: Structural regular expressions, Stefan Monnier, 2010/09/08
- Re: Structural regular expressions, Lawrence Mitchell, 2010/09/08
- Re: Structural regular expressions, Stefan Monnier, 2010/09/08
- Re: Structural regular expressions, David Kastrup, 2010/09/09
- Re: Structural regular expressions, Stefan Monnier, 2010/09/09
- Re: Structural regular expressions, David Kastrup, 2010/09/10
- Re: Structural regular expressions, Stefan Monnier, 2010/09/10
- Re: Structural regular expressions, Davis Herring, 2010/09/09