Vit Zyka wrote:

yes, it works!

Now it works even on my old distrib also. Seems the crutial line was
inside this vardef:

vardef add_special_signal = % write the version number
  if (length _global_specials_ <> 0) or (length _local_specials_ <> 0) :
special ("%%MetaPostSpecials: 2.0 " & decimal _special_signal_ & " " & decimal _special_div_) ;
  fi ;
enddef ;

indeed, i pass the value to the mp to pdf converter so that old files still work ok; otherwise we get a truckload of compatibility problems

Hans
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