On Friday 10 April 2009 09:19:44 Hans Hagen wrote:
> Jesse Alama wrote:
> > I switched from MkIV to MkII today because of this gap in MkIV's math:
> > I need to submit a dissertation that has \rightarrow's in it. Let's
> > hope that this issue is resolved soon.
> >
> > Jesse
> >
> > Alan BRASLAU <alan.bras...@cea.fr> writes:
> >> Indeed, it seems to be broken in mkiv
> >> \rightarrow
> >> \to
> >> \leftarrow
> >> ...
> >>
> >> However, \leftrightarrow works.
> >>
> >> So, currently, it is hard to typeset limits under mkiv!
> >>
> >> Alan
> >>
> >> On Tuesday 31 March 2009 09:14:16 Hans Hagen wrote:
> >>> Aditya Mahajan wrote:
> >>>> On Mon, 30 Mar 2009, Jesse Alama wrote:
> >>>>> It seems that \rightarrow is missing. The command exists, in the
> >>>>> sense that its use doesn't lead to an error, but it doesn't lead to
> >>>>> anything in the output. Minimal example:
> >>>>>
> >>>>> \starttext
> >>>>> $\rightarrow$
> >>>>> \stoptext
> >>>>
> >>>> Hans,
> >>>>
> >>>> What does the new arrow function in math-vfu.lua supposed to do?
> >>>
> >>> it will be used instead of the macro based one (as luatex has native
> >>> support for such extenders now) but i had to wait till you fixed all
> >>> the other arrows that you added someplace
>
> in math-vfu, patch:
>
> --~ main.characters[unicode] = { horiz_variants = t }
> main.characters[unicode].horiz_variants = t
>
> and
>
> [0x02190] = 0x20, -- leftarrow
> [0x02192] = 0x21, -- rightarrow
> --~ [0xFE190] = 0x20, -- leftarrow
> --~ [0xFE192] = 0x21, -- rightarrow
>
> and remake the format
>
> luatex has native support for extensible arrows and since lm lacks them
> we need to construct them
>
> Hans
Works. Fantastic!
Alan
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