On Fri, Oct 17, 2014 at 8:45 AM, <vladimirg at mail.bg> wrote: > ! I can't find file `TEX'. > l.7 input TEX > ; > Please type another input file name: > > Is that "TEX" file some standard one or is it part of your library? Part of the standard distribution: http://mirrors.ctan.org/graphics/metapost/base/texmf/metapost/base/TEX.mp Martin