Math align question

[WN <wneimeijer@tiscali.nl>]

Hi,

Is there a way to increase the distance between the columns in 
startalign/stopalign ?
I read the Myway on math align and there are examples where one can set 
the distance but
only for pairs of equations.

In the following code I have 3 columns but they are too close together 
and I want to spread them out.
I tried to use the distance parameter but this setting is ignored. I 
also experimented with the startmatrix/stopmatrix
but I need the sub formula numbering.
Any help appreciated

Wim


\def\ms{\,}
\starttext
\placesubformula
\startformula
\startalign[n=3]
\NC f(x) \NC = \frac{1}{2\pi} \int\limits_{-\infty}^{+\infty} g(y) \ms 
e^{i y x} \ms dy \NC (x \in \reals) \NR[calcb-chapter4-eqn5:i][i]
\NC g(y) \NC = \int\limits_{-\infty}^{+\infty} f(x) \ms e^{-i y x} d x 
\NC ( y \in \reals) \NR[calcb-chapter4-eqn5:ii][ii]
\NC \int\limits_{-\infty}^{+\infty} |f(x)|^{2} dx \NC =  \frac{1}{2\pi} 
\int\limits_{-\infty}^{+\infty} \Big| g(y) \Big|^{2} \ms d y \NC \quad  
\NR[calcb-chapter4-eqn5:iii][iii]
\stopalign
\stopformula
\stoptext
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