Re: Display problems in M-x term (was: terminal emulation)

[Eli Zaretskii <eliz@gnu.org>]

> From: Michael Heerdegen <michael_heerdegen@web.de>
> Date: Sun, 05 Jun 2011 01:15:25 +0200
> Reply-To: michael_heerdegen@web.de
> 
> The bad thing with aptitude is that it uses a Unicode letter
> (character 9618) to display a scroll-bar.  In some fontsets
> (e.g. "startup: 13-dot"), the glyph of this char is wider than the
> ASCII-characters (Bug?).  Lines including this character get wrapped,
> messing up the whole display.

Does it help to modify the entry for that character in
char-width-table so that the value is 2 instead of 1?

>   - If the user option `scroll-margin' has a value greater than 0,
>     then the terminal window gets scrolled if the cursor is near the
>     bottom and Emacs does a redisplay.

term should set this to zero.

>   - `show-paren-mode': Pairs of "parens" are highlighted by default in
>     *terminal*.  E.g. in aptitude dialogs like this:
> 
> 
>                     +---------------------+
>                     |Really quit Aptitude?|
>                     |  [ Yes ]    [ No ]  |
>                     +---------------------+
> 
>       
>     the "parens" around "Yes" and "No" get highlighted if point is
>     there.

Why is that a problem?