Li Yanrui (李延瑞) wrote: > Hi, > > Now it can not be compiled and luatex outputs: > > mplib : loading 'metafun.mp' (experimental metapost version two) > mplib > mp terminal: ! Redundant equation. > <to be read again> > ; > <*> u = 1cm; > xmin = -2.6u; xmax = 4u; drawarrow (xmin,0)--(xmax,0); > label.lf... > > ! Redundant equation. > <to be read again> > > Is this a bug or it always need to use 'save' macro to hold these > local variable in metafun? ConTeXt compiles all metapost code in one long run, so you have to re- declare 'u' to avoid this error (e.g. 'save' or 'numeric u;').
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