Index: presage-0.9.1/doc/Doxyfile.in
===================================================================
--- presage-0.9.1.orig/doc/Doxyfile.in
+++ presage-0.9.1/doc/Doxyfile.in
@@ -1617,7 +1617,7 @@ DOT_NUM_THREADS        = 0
 # the DOTFONTPATH environment variable or by setting DOT_FONTPATH to the
 # directory containing the font.
 
-DOT_FONTNAME           = FreeSans
+DOT_FONTNAME           =
 
 # The DOT_FONTSIZE tag can be used to set the size of the font of dot graphs.
 # The default size is 10pt.