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Re: `C-b' is backward-char, `left' is left-char - why?

From: David Kastrup
Subject: Re: `C-b' is backward-char, `left' is left-char - why?
Date: Thu, 02 Jun 2011 19:09:40 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Eli Zaretskii <address@hidden> writes:

> But while we could (for the doc string purposes) quite safely
> disregard the use case of paragraph having the "wrong" direction and
> disrupting the global movement direction as described above, the doc
> string you suggest is wrong even locally, when short sequences of R2L
> text are embedded in an otherwise left-to-right paragraph, or vice
> versa.  This cannot be disregarded, so we must find a better way of
> describing the effect of the arrow keys in mixed bidirectional text.
> Ideas are welcome.

It can even happen that both left and right move backward (when we are
at the end of an L2R piece in R2L context), or both move forward.

David Kastrup

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