pstricks and inputs

[Michael J. Sharpe]

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Denis doesn't seem to be jumping on this, so I'll take a stab. If you 
want to use a macro for the (entire) list of parameters, you must do 
it making use of \expandafter, as in

\def\mypoints{(0,0)(1,1)}
\expandafter\psline\mypoints

otherwise\mypoints is not expanded before the parameter-reading 
apparatus gets to work. This seems to work even with  parameters 
included within braces, as for example in

\def\mypoints{*[linewidth=3pt]{->}(0,0)(1,1)}
\expandafter\psline\mypoints

Michael Sharpe

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>This is the PSTricks mailing list, devoted to discussions about computational
>graphics in (La)TeX using the PSTricks package from Timothy van Zandt.
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>
>Can some one tell why the following generates an error?
>
>\def\mypoints{(0,0)(1,1)}
>\psline\mypoints
>
>while this one works
>
>\psline(0,0)(1,1)
>
>??
>
>thanks
>ricky
>
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