% CM strand arrows for documents % Use the cmarrows package if you want double arrows for strand % succession edges. input cmarrows; setup_cmarrows( arrow_name = "doublearrow"; parameter_file = "cmr12.mf"; macro_name = "drawdubarrow"); def drawsucc(expr p) = drawdubarrow p; enddef; setup_cmarrows( arrow_name = "texarrow"; parameter_file = "cmr12.mf"; macro_name = "drawtexarrow"); def drawmsg(expr p) = drawtexarrow p; enddef;