Peter Rolf wrote:
> hi,
> 
> just encountered an expansion problem with color inside drawoptions...

The patch below fixes this issue.

Best wishes,
Taco

--- /opt/tex/texmf-local/metapost/context/base/mp-mlib.mp.orig
2008-05-12 12:14:46.000000000 +0200
+++ /opt/tex/texmf-local/metapost/context/base/mp-mlib.mp 
2008-06-12 18:13:34.785337518 +0200
@@ -26,7 +26,7 @@
      _tt_p_ := nullpicture ;
  enddef ;

-extra_endfig   := ";draw _tt_p_; " & extra_endfig ;
+extra_endfig   := ";addto currentpicture also _tt_p_; " & extra_endfig;
  extra_beginfig := extra_beginfig & "resettextexts;";

  vardef rawtextext(expr str) =

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