Re: [Texmacs-dev] Underbrace and overbrace - initial implementation

[Joris van der Hoeven]

> I cannibalized the make-wide and make-wide-under, as well as the
> bracket_box in order to create underbrace and overbrace.  It doesn't
> look very good, but maybe you can help me out a little.  I have attached
> the patch that implements this stuff.

Thanks; I don't know yet whether you should really draw a horizontal
line with the brace characters as limits, or rather create an infinite
set of special characters as part of the math font.

> One thing I would like to know is this:  instead of draw_arc, I would
> like to use characters cmex#122 - cmex#125 to draw the "corners" of the
> under/overbrace.  I don't know how to create a box that contains a
> single symbol, but one the cursor cannot go to.  I tried using text_box,
> but then there's a blue-green border around the symbol, and the cursor
> can move there.

You can take a look at how I did for the square root.