Re: arrow keys vs. C-f/b/n/p

[Lennart Borgman]

On Sat, Jun 12, 2010 at 8:38 PM, Eli Zaretskii <address@hidden> wrote:
>> From: Lennart Borgman <address@hidden>
>> Date: Sat, 12 Jun 2010 19:25:41 +0200
>> Cc: Eli Zaretskii <address@hidden>, address@hidden
>>
>> On Sat, Jun 12, 2010 at 7:12 PM, Drew Adams <address@hidden> wrote:
>> >
>> > In fact, you might drop "logical" altogether - the word itself doesn't 
>> > really
>> > help here. If you speak about the order of the chars in the buffer (as 
>> > opposed
>> > to how they appear) I think that will be clear.
>>
>>
>> From what I read it seems to me that "logical" should mean "human
>> reading order", not the buffer character order.
>
> These two orders are identical.  The reason is that people type text
> in the order they read it.  "Logical order" just means we store text
> in the same order as it is read and typed.
>
>> I guess they are the same here, but that is an implementation detail
>
> No, it's not an implementation detail.  Emacs stores text in files,
> and those files also use the logical order.  As soon as text is saved
> on a file, the order of characters is not longer internal to Emacs.

Is not this is precisely what makes it an implementation detail?

> In using logical order, Emacs follows the other applications; doing
> that the other way around would mean the files created by Emacs are
> incompatible with other applications.