Hi Mikael, your examples are simpler, that is correct, but all of them have the extra space. Thanks for the simpler code, I will integrate it!
Gerion
Am Dienstag, 20. August 2024, 12:41:45 MESZ schrieb Mikael Sundqvist:
> Hi,
>
> There is indeed a space added in this case. But you do not need n=3.
> And in fact, you do not need a simplealign either, but can use an
> ordinary align, with location=packed. It looks like you had the wrong
> number of \NC. I hope the examples below help, the last one is merely
> for Hans for looking into why the relation-digit space is added there.
>
> /Mikael
>
> \definemathsimplealign[inneralign]
>
> \showglyphs
> \showboxes
>
> \showmakeup[mathglue]
>
> \startdocument
>
> OK with \typ {n=2} instead of \typ {n=3}:
>
> \startformula
> \startalign
> \NC a = b \NC \NR
> \NC \NC \startinneralign[n=2,align={1:right,2:left}]
> \NC A \NC = B \NR
> \NC f(x,y) \NC = \startcases
> \NC 1 \NC a \NR
> \NC 1 \NC b \NR
> \NC 1 \NC b \NR
> \stopcases
> \NR
> \stopinneralign
> \NR
> \stopalign
> \stopformula
>
> With align and location set to packed, instead of simplealign
>
> \startformula
> \startalign
> \NC a = b \NC \NR
> \NC \NC \startalign[n=2,location=packed,align={1:right,2:left}]
> \NC A \NC = B \NR
> \NC f(x,y) \NC = \startcases
> \NC 1 \NC a \NR
> \NC 1 \NC b \NR
> \NC 1 \NC b \NR
> \stopcases
> \NR
> \stopalign
> \NR
> \stopalign
> \stopformula
>
> Extra \typ {reldig} space before the 1:
>
> \startformula
> \startalign[n=3,location=packed,align={1:right,2:middle,2:left}]
> \NC A \NC = \NC B \NR
> \NC f(x,y) \NC = \NC \startcases
> \NC 1 \NC a \NR
> \NC 2 \NC b \NR
> \stopcases
> \NR
> \stopalign
> \stopformula
>
> \stopdocument
>
> On Tue, Aug 20, 2024 at 11:55 AM Gerion Entrup <gerion.ent...@flump.de> wrote:
> >
> > Hi,
> >
> > I currently have the case of a strange extra space in math mode when using
> > cases in inner align.
> >
> > Here is a MWE to demonstrate the problem:
> > ```
> > \definemathsimplealign[inneralign]
> > \startdocument
> > \startformula
> > \startalign
> > \NC a = b \NR
> > \NC \NC
> > \startinneralign[n=3,align={1:right,2:middle,3:left}]
> > \NC A \NC = \NC B \NR
> > \NC f(x,y) \NC = \NC \startcases
> > \NC \text{strange} \NC a \NR
> > \NC \text{normal} \NC b \NR
> > \NC \text{also normal} \NC b \NR
> > \stopcases
> > \stopinneralign
> > \stopalign
> > \stopformula
> > \stopdocument
> > ```
> >
> > "strange" and "normal" are not aligned what I would expect but strange has
> > more space in front of it.
> > Is this a usage error or a bug in the math engine?
> >
> > Best,
> > Gerion___________________________________________________________________________________
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