This seems to be still broken :-(
The \intertext{} workaround however is still working, luckily

2010/11/23 Vladimir Lomov <lomov.vl@gmail.com>

> ** Aditya Mahajan [2010-11-23 11:17:55 -0500]:
>
> > On Wed, 24 Nov 2010, Vladimir Lomov wrote:
> >
> >>Hi.
> >>
> >>The example with start/stopintertext from 'mathalign.pdf' (My Way, Using
> \startalign and friends,
> >>Aditya Mahajan) gives error with current context (beta):
> >><example file="ex2.tex">
> >>%%% Seems that there is a problem with \start/stopintertext . This
> command is described in mathalign.pdf
> >>%%% (MyWay).
> >>
> >>\starttext
> >>
> >>Here the start/stopintertext should give text between formulas
> >>\startformula
> >> \startalign
> >>   \NC \exp^{\imath t}=\cos t+\imath\sin t\NR
> >> \startintertext
> >>   This is famous Euler formula, below one is known as Moivre formula
> >> \stopintertext
> >>   \NC (\cos x + \imath\sin x)^{m} = \cos mx+\imath\sin mx \NR
> >> \stopalign
> >>\stopformula
> >>
> >>That's it.
> >>
> >>\stoptext
> >></example>
> >>
> >><error_message>
> >>! Misplaced \noalign.
> >>\startintertext #1\stopintertext ->\noalign
> >>                                           {\dointertext {#1}}
> >>l.12   \stopintertext
> >>?
> >></error_message>
> >>
> >>$ context --version
> >>
> >>MTXrun | main context file:
> /usr/local/opt/context/tex/texmf-context/tex/context/base/context.tex
> >>MTXrun | current version: 2010.11.20 12:51
> >>
> >>Is this a bug or I do something wrong?
> >
> > Bug, and it seems a rather old one. It also fails with 2010.05.24.
> >
> > I cannot debug this right now. A quick workaround is to use
> > \intertext{...} instead.
> Ok, thanks.
>
> P.S. I thought that all start/stopXXX commands has cousin commands
> \XXX. Seems that I was wrong.
>
> --
> On the subject of C program indentation:
>        "In My Egotistical Opinion, most people's C programs should be
>        indented six feet downward and covered with dirt."
>                -- Blair P. Houghton
>
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-- 
Julian Becker
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