X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fextlib%2FgraphvizPp.ml;h=ed5bbdc54c69c1d1557a43635d72bd4c2a4f1ca3;hb=68b13bbcf487f7575d5f04f6b2c23aa9ef02409b;hp=82fa9807de15a786b8bd7e338ca82af3348976e5;hpb=abd2098b6c4a40b36bb4b950c607eb4b4a7852bc;p=helm.git

diff --git a/helm/software/components/extlib/graphvizPp.ml b/helm/software/components/extlib/graphvizPp.ml
index 82fa9807d..ed5bbdc54 100644
--- a/helm/software/components/extlib/graphvizPp.ml
+++ b/helm/software/components/extlib/graphvizPp.ml
@@ -69,7 +69,7 @@ module Dot =
 
     let node = node ~quote:true
     let edge name1 name2 ?(attrs = []) fmt =
-      fprintf fmt "@[<hov2>\"%s\" ->@ \"%s\"@ [" name1 name2;
+      fprintf fmt "@[<hov2>%s ->@ %s@ [" name1 name2;
       attributes attrs fmt;
       fprintf fmt "];@]@,"
     let raw s fmt = pp_print_string fmt s