reset baseline when range is reset

Author: brucemiller

lib/LaTeXML/Package/pgfsys-latexml.def.ltxml

@@ -756,6 +756,7 @@ DefMacro('\pgfsys@shadingoutsidepgfpicture{}', <<'EoTeX');
     \pgf@picminy=0pt%
     \pgf@picmaxx=\pgf@x%
     \pgf@picmaxy=\pgf@y%
+    \def\pgf@shift@baseline{0pt}%
     \pgfsys@typesetpicturebox{\pgfpic}%
   \endgroup
 EoTeX