From: Stefano Zacchiroli <zack@upsilon.cc>
Date: Tue, 18 Jul 2006 14:21:04 +0000 (+0000)
Subject: double quotes node identifiers
X-Git-Tag: make_still_working~7050
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=bd2938466bd84e8c388300939d9b3f361b6a4001;p=helm.git

double quotes node identifiers
---

diff --git a/helm/software/components/extlib/graphvizPp.ml b/helm/software/components/extlib/graphvizPp.ml
index 18ebd94d9..aa472f769 100644
--- a/helm/software/components/extlib/graphvizPp.ml
+++ b/helm/software/components/extlib/graphvizPp.ml
@@ -47,11 +47,11 @@ module Dot =
 
     let header ?(name = "g") fmt = fprintf fmt "@[<hv2>digraph %s {@," name
     let node name ?(attrs = []) fmt =
-      fprintf fmt "@[<hov2>%s@ [" name;
+      fprintf fmt "@[<hov2>\"%s\"@ [" name;
       attributes attrs fmt;
       fprintf fmt "];@]@,"
     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