First thanks for your help, I did what you suggested and it worked.
But now I am trying your example file align.tex and running texexec,
using the latest Context (2006.03.23), I get the following error. I believe the problems
lies in verb-tex.tex but I am not sure.

section         : 1 Basic Alignment
<align-align.tmp> (/usr/local/tex/texmf-local/tex/context/base/verb-tex.tex
loading         : Context Support Macros / Pretty TEX Verbatim
)
! Missing number, treated as zero.
<to be read again>
                   f
\currenttyping ->f
                  ile
\checkverbatimfileline ...enumber <\currenttyping
                                                  \c!start \else \ifnum \ver...

\presetnormalverbatimline ...\doflushverbatimline
                                                  \global \chardef \verbatim...

\readline ...line \else \presetnormalverbatimline
                                                  \fi \fi \fi \fi \handlever...

\processfileverbatim ...expandafter \readline \fi
                                                  \closein \verbatiminput \e...
...
l.25 \ShowExample

Greetings
Wim Neimeijer

adityam@umich.edu wrote:
Here are a few details of _how I understand_ the align mechanism of context. Hope that others will find it useful. Any suggestions for improvement are welcome.

Aditya 

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