Re: bidi-display-reordering is now non-nil by default

[Werner LEMBERG]

[This is about behaviour of current bzr Emacs in really large
.mew-summary files.]

>> >> With bidi-dislay-reordering set to `nil', holding the the up or
>> >> down cursor keys pressed causes a smooth scrolling, either
>> >> forwards or backwards.  Setting it to `t', there is no smooth
>> >> scrolling any more.  Instead, the cursor jumps, with large
>> >> delays, to its final position.
>> > 
>> > If you set bidi-paragraph-direction to 'left-to-right in that
>> > buffer, does the problem go away?
>> 
>> Yes.
> 
> Thanks.  So this is the solution for this buffer (and for any other
> buffer whose paragraphs should always have the left-to-right base
> direction, i.e. their lines should always start at the left margin
> of the window).
> 
> As mew is not part of Emacs (I think), what would be the best way of
> achieving this effect?  I'd prefer not to ask users to do that
> manually, if that can be avoided.  Does this buffer have a fixed
> name we can rely upon?

Yes, the name is always `.mew-summary'.  I've CCed the mew mailing
list so that the author of mew gets informed.  It should be
straightforward to add a proper call to `bidi-paragraph-direction'
within the next mew release.

> Chong, Stefan: how about having a (customizable) list of buffer
> names which should by default have left-to-right paragraph
> direction?  Would this be a reasonable solution?  We could add
> buffer names to this list as we discover more such cases.


    Werner