GNU bug report logs - #22983
syntax-ppss returns wrong result.

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From: Drew Adams <drew.adams <at> oracle.com>
To: Dmitry Gutov <dgutov <at> yandex.ru>, Alan Mackenzie <acm <at> muc.de>, Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 22983 <at> debbugs.gnu.org
Subject: bug#22983: syntax-ppss returns wrong result.
Date: Sun, 13 Mar 2016 18:04:17 -0700 (PDT)

> > I happen to use it frequently.  I expect other users do, to.  It's
> > useful.
> 
> It might be, but it's not very well-designed. If you only want to hide
> some parts of buffer from being displayed, changing point-min and
> point-max, which affect quite a lot of Lisp functions, seems unnecessary.

Well, well, well.  All of this is likely OT for this thread.

But no - narrowing is in fact explicitly _about_ changing
`point-min' and `point-max', so you can act on a particular
section of a buffer.  It is not only about "hid[ing] some
parts of a buffer from being displayed".  This is true for
both interactive use and in code.

> I don't think that narrow-to-region should be a user-level
> function.

Is this a joke?  Maybe you think that because you think
it is only about hiding text?

> Introducing a new function, using a different mechanism
> shouldn't be too hard though, if we reuse the existing binding.

Please don't.  Please don't even think about it.

And if you really think you have something to say about
it, then please bring it up in emacs-devel, not in a bug
thread that is not especially related to it.

> adding a command that would replace interactive use of
> narrow-to-region.

Ridiculous (IMHO).  Add whatever commands you like, but
please do not think about replacing `narrow-to-region'
willy nilly.  It is one of the most useful Emacs commands.

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