Salvete, is it just me or does texexec --pdf -mode=demo m-graph really not work? I get very many metapost errors, starting with a bunch of ! Redundant equation. <to be read again> ; l.140 Gmargin.low=-.07; (which are rather harmless) and continuing with

...

0 vacuous ! Not implemented: point(known numeric)of(vacuous). <to be read again> , <forever> ...c_:=false;r_:=Gpp_(point0of(vacuous),

Gxcvlin_,Gycvlin_)if.path(... Gscan_->...:&cycle.fi.fi;exitunless.Gdidsc_;endfor .if.pair(EXPR2):point0of.f... GMcvi_->..._.fi,if.abs.Y_.ctyp=linear:Gycvlin_.fi) if.X_.ctyp<0:xscaled-1fi.i... <to be read again> withpen Gdraw_->... data file or a path")origin.fi.withpen .currentpen.Gwithlist_._op_ <to be read again> ; l.335 gdraw "agepopm.d"; and similar fatal errors. Best regards, Christopher