Re: [Texmacs-dev] Under/Overbrace help, please !

[Joris van der Hoeven]

> However, if we use the \bracext (txexa#32) character, as LaTeX does,

OK, so I should include that character too...

> > The second, most robust, implementation would be to create a special
> > font with the wide characters <brace-under-1>, <brace-under-2>, ...
> > and <brace-over-1>, <brace-over-2>, ... I suggest to create
> > real bitmaps for each character.
>
> Exactly.  Then, each <brace-over-n> can map to
>
> \braceld\bracext...\bracext\braceru\bracelu\bracext...\bracext\bracerd
>         <-------n/2------->                <-------n/2------->
>
> which is a simple, inert text string.

Rather (n-1) instead of n/2.

> Honestly, I would like to try to avoid using bitmaps for these
> characters.  This is why I would like to try the cmex characters first,
> and only then, if they fail, would I like to try bitmaps.

You *have* bitmaps for these characters and routines for gluing them.
You *need* to produce bitmaps in order to get the anti-aliasing right
(and prevent ugly grey vertical strokes).