Re: emacs takes exhorbitantly long to read long, one-line files.

[Eli Zaretskii]

> From: Dmitry Antipov <address@hidden>
> CC: Eli Zaretskii <address@hidden>, Karl Fogel <address@hidden>, 
>  Randy Yates <address@hidden>,
>  address@hidden
> 
> Can you try 24.3 with (setq-default bidi-display-reordering nil)?
> With BIDI disabled, it shouldn't be 4x at least.

2 to 3 times in my experience, unless you specifically choose
character classes to trip the bidi iterator.