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Subject: |
25.1.50; Document changes to `delete-selection-mode' |
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Date: |
Sat, 2 Jan 2016 20:12:57 -0800 (PST) |
`delete-selection-mode' changed behavior in some ways since Emacs 24.3,
but I find nothing about any of the changes mentioned in any NEWS since
then. Please update the different NEWS versions to reflet the changes.
In GNU Emacs 25.1.50.1 (i686-pc-mingw32)
of 2015-12-10
Bzr revision: 6148555ee5a3d0139ae517803718b3e0357933c7
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
`configure --prefix=/c/Devel/emacs/snapshot/trunk --enable-checking=yes
--enable-check-lisp-object-type --without-compress-install 'CFLAGS=-Og
-ggdb3' LDFLAGS=-Lc:/Devel/emacs/lib 'CPPFLAGS=-DGC_MCHECK=1
-Ic:/Devel/emacs/include''
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Subject: |
Re: bug#22296: 25.1.50; Document changes to `delete-selection-mode' |
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Date: |
Sun, 03 Jan 2016 20:43:05 +0200 |
> Date: Sun, 3 Jan 2016 10:00:46 -0800 (PST)
> From: Drew Adams <address@hidden>
> Cc: address@hidden
>
> > > 4. Apparently you can no longer specify `kill' as the d-s behavior:
> > > (put 'some-command 'delete-selection 'kill). Well, it's still
> > > supported for now, but `kill' has been removed from the file-header
> > > Commentary, and the code comments say that it is deprecated.
> > >
> > > Why is this? Where is this deprecation documented? Why
> > > shouldn't a user or a library still be able to override a
> > > `delete-selection' setting for a given command, to specify
> > > it as `kill'? Not clear to me what this is about.
> > >
> > > 5. There is an additional, undocumented (why?) possible value
> > > for `delete-selection', which you can apparently put on a
> > > command's symbol: `delete-selection-uses-region-p'. Please
> > > consider documenting this (e.g., not just mentioning it in NEWS).
> > >
> > > 6. The default delete-selection behavior for multiple commands
> > > has apparently changed. For example, `open-line' now has the
> > > default behavior and not the `kill' behavior. Likewise, unloading
> > > (`delsel-unload-function') deals with a different command list.
> >
> > We never documented any of this, and I see no reason to do so now.
>
> Really? The fact that you (apparently) can no longer specify that
> a given command is handled by killing the region? The fact that
> there is a new possible value for the property (what is it for)?
>
> How is a user supposed to understand how to use d-s-mode if these
> things are not documented - either in a doc string or in a manual?
How did they understand this before?
This bug report says "please document changes to
delete-selection-mode". I have shown that what was documented before
was updated. You now say that its previous documentation was
insufficient, which is an entirely different issue.
> And we no longer announce deprecations? Except in code comments?
Most of the deprecations are indeed never announced in NEWS, you see
them when the byte compiler emits a warning to that effect.
> Anyway, I've reported the problems I see. Do with the information
> what you will.
I did.
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