Re: Caret

> From: Philippe Verdy <verdy_p_at_wanadoo.fr>
> Date: Thu, 15 Nov 2012 08:34:25 +0100
> Cc: Eli Zaretskii <eliz_at_gnu.org>, Jeff Senn <senn_at_maya.com>,
> Unicode Mailing List <unicode_at_unicode.org>
>
> In a WYSIWYG edited document, where the editing view can show BOTH the left
> and right margin of the intended page (or where automatic linewraps are
> generated, such as most HTML pages in a web browser that displays an
> editable text field), and where no horizontal scrollbar is needed for the
> editable field view, all lines of the paragraph are completely displayed,
> the UBA algorithm is applied line by line, and the two carets are always on
> the same rendered line. They can always be made BOTH visible at the same
> time on that line, each one showinf its correct direction (with their arrow
> head).

Some editors, such as Emacs, can enable and disable wrapping at user
command. So the wrapped-line assumption might not hold, and does not
hold in some specialized modes.
Received on Thu Nov 15 2012 - 12:01:42 CST