Re: problem with \noalign

[Hans Hagen <pragma@wxs.nl>]

At 10:22 PM 7/16/2001 +0300, Tarik Kara wrote:
>The \noalign command does not work as expected (as I expect) inside
>\eqaling{..}
>
>When I type
>
>\placeformula[-]
>\startformula
>\eqalign{
>     \forall s_{-i}\in S_{-i} \quad
>           & h(s^{\ast}_{i},s_{-i})\pref{R_{i}} h(s_{i}',s_{-i}),\cr
>     \noalign{\hbox{and}} %
>     \exists s_{-i}\in S_{-i}\quad
>          & h(s^{\ast}_{i},s_{-i})\pref{P_{i}}
>            h(s_{i}',s_{-i})\enspace.\cr}
>\stopformula
>
>the `and` is aligned with \forall. I was expecting to be in the left
>margin of the page. Is there a bug (I am using ConTeXt  ver: 2001.7.11) or
>am I doing something wrong.

The allignment is a box as a whole, so the 'and' will align to the side of 
the alignment. Same for plain.

There are some extensions to the context formula handling that permit you 
to align formulas left / right/ indented and so on, as well as to define 
alignment classes. Yet undocumented.

Hans
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