Re: bidi at startup

[Stefan Monnier]

>> >> Is it used when we run emacs with -batch?
>> That doesn't matter for preloading.
> I think it does, because temacs is normally run with -batch.

I don't see how that's relevant.

> No.  stdout is not a display device in this context; a text terminal
> is.  When Emacs writes to stdout from `message' and such likes, the
> result doesn't trigger redisplay, and thus doesn't invoke the
> reordering.

Good.

> What I was saying was that "emacs -batch" does not need reordering
> services, because text we write to stdout should not be reordered.
> Therefore, I think bidi-display-reordering should be initialized to
> nil in xdisp.c, then set to t during startup if Emacs is invoked
> interactively or as a daemon.  Do you agree?

No.  I still don't see the harm in setting it to t all the time.
>From what you're saying bidi only happens during redisplay and redisplay
does not happen in --batch mode, so the setting of
bidi-display-reordering is irrelevant in such a situation and might as
well be the same as in other cases.


        Stefan