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From: Miles Bader <miles.bader@necel.com>
Cc: Ken Manheimer <ken.manheimer@gmail.com>, emacs-devel@gnu.org
Subject: Re: need option so line-move-to-column ignores fields, plus patch
Date: Fri, 01 Sep 2006 13:17:39 +0900	[thread overview]
Message-ID: <buoirk8te3g.fsf@dhapc248.dev.necel.com> (raw)
In-Reply-To: <E1GIvTq-0003Ns-0U@fencepost.gnu.org> (Richard Stallman's message of "Thu, 31 Aug 2006 18:57:50 -0400")

Richard Stallman <rms@gnu.org> writes:
>     the bug is that i can't use text fields this way without sacrificing
>     column retention on line moves, as far as i can tell.
>     line-move-to-column is hard-wired to respect fields when seeking the
>     prior positions column, so that moving the cursor between topics
>     usually leaves the cursor at column 0, which is almost always not what
>     the user wants.
>
> Creating a new variable can enable allout to get what it wants.
> But that is a sort of a cop-out, because users might want the same
> thing in other modes that use fields, sometimes.

I'm not sure Ken's change is correct anyway -- line-move-to-column is
what line-move _usually_ ends up using, right, to preserve the current
column?

The current interaction between line-movement and fields is intentional,
so that "column" preservation does not cause, for instance, the cursor
to move into the prompt in the minibuffer when you're editing a multline
minibuffer entry.

When I've noticed the sort of  problem Ken's complaining about in the
past, it's always been due to  the fact that the newline character on a
line is in a field; there is already a sort of mechanism to try and deal with
this (used for instance, by comint), which is to put newline characters
in a special field with the value `boundary'.

Perhaps I misunderstand his problem though.

-Miles
-- 
Freedom's just another word, for nothing left to lose   --Janis Joplin

  reply	other threads:[~2006-09-01  4:17 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-31 15:48 need option so line-move-to-column ignores fields, plus patch Ken Manheimer
2006-08-31 16:25 ` Ken Manheimer
2006-08-31 17:11 ` David Kastrup
2006-08-31 22:57 ` Richard Stallman
2006-09-01  4:17   ` Miles Bader [this message]
2006-09-01  6:39     ` Ken Manheimer
2006-09-03 15:17       ` Richard Stallman
2006-09-04  4:43         ` Ken Manheimer
2006-09-04 17:18           ` Richard Stallman
2006-09-04 19:56             ` Ken Manheimer
2006-09-06  8:49               ` Richard Stallman
2006-09-06 16:52                 ` Ken Manheimer
2006-09-07  6:54                   ` Richard Stallman
2006-09-07 14:47                     ` Ken Manheimer
2006-09-23 23:29                       ` Ken Manheimer
2006-09-24 16:28                         ` Richard Stallman
2006-09-24 20:17                           ` Ken Manheimer
2006-09-25 20:48                             ` Richard Stallman
2006-09-24 22:04                           ` Chong Yidong
2006-09-24 22:10                             ` Chong Yidong
2006-09-25  1:53                               ` Ken Manheimer
2006-10-11  4:13                                 ` Ken Manheimer
2006-10-11 18:50                                   ` Richard Stallman
2006-10-11 19:19                                     ` Ken Manheimer
2006-10-12 22:37                                       ` Richard Stallman
2006-09-25  1:31                             ` Ken Manheimer
2006-09-25  8:36                             ` Slawomir Nowaczyk
2006-09-25 20:48                             ` Richard Stallman
2006-09-25 21:43                               ` Chong Yidong
2006-09-27 17:18                                 ` Ken Manheimer
2006-09-29 16:32                                 ` Richard Stallman
2006-09-29 18:21                                   ` Chong Yidong
2006-09-07  6:54                   ` Richard Stallman
2006-09-07 14:27                     ` Ken Manheimer
2006-09-05  4:48         ` Miles Bader
2006-09-01  6:30   ` Ken Manheimer

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