On Sat, Jul 22, 2023 at 9:40 PM Richard Kimberly Heck
<rikih...@gmail.com> wrote:
>
> On 7/22/23 14:28, Herbert Voss wrote:
> > Am 22.07.23 um 17:24 schrieb Dan:
> >> I am trying to write a Lie bracket [[a, b ]]. The commands
> >> \llbracket and \rrbracket work just fine in the LyX math formula, but
> >> doesn't render in LuaTex. I could conceivably use a negative space
> >> and join the symbols | and [ (with some fussing) but I can't get LyX
> >> to recognize \! as a negative spacer. (That's another question,
> >> really. I don't need that answered here if there is a simpler way to
> >> do this.)
> >
> > The names for uniicode-math ate \lBrack and \rBrack.
> >
> > Write into the preamble
> >
> > \let\llbracket\lBrack
> >
> > \let\rrbracket\rBrack
> >
> > if you want to use the old names. However, LyX do not know the new
> > names and do not render it.
>
> That should be an easy one to fix. I'm cc'ing devel.
>
This is probably an example of https://www.lyx.org/trac/ticket/10540
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