On 13-5-2010 11:13, luigi scarso wrote:
\setevalue{square}{unitsquare} \setevalue{circle}{unitcircle}
\starttext
\startuseMPgraphic{test} fill \getvalue{square} scaled 1cm; \stopuseMPgraphic \useMPgraphic{test} \stoptext
or
\setevalue{mynamespace:square}{unitsquare} \setevalue{mynamespace:circle}{unitcircle}
\starttext
\startuseMPgraphic{test} fill \executeifdefined{mynamespace:square}{diamond} scaled 1cm; \stopuseMPgraphic \useMPgraphic{test} \stoptext
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