X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FTDocument.cc;h=ca4878e6c75b385b31a2418b9062255556b6a4c5;hb=97c2d258a5c524eb5c4b85208899d80751a2c82f;hp=5f5a07e4b6d0a382f54800a14cc82523519524b2;hpb=c112706f347e08e7f345131fbc4c3aa0e9ecc7b5;p=helm.git

diff --git a/helm/DEVEL/mathml_editor/src/TDocument.cc b/helm/DEVEL/mathml_editor/src/TDocument.cc
index 5f5a07e4b..ca4878e6c 100644
--- a/helm/DEVEL/mathml_editor/src/TDocument.cc
+++ b/helm/DEVEL/mathml_editor/src/TDocument.cc
@@ -24,6 +24,7 @@
  */
 
 #include <sstream>
+#include <cassert>
 
 #include "globals.hh"
 #include "dom.hh"
@@ -70,7 +71,7 @@ TDocument::serialize(const char* filename) const
 std::string
 TDocument::makeId(unsigned id)
 {
-  ostringstream os;
+  std::ostringstream os;
   os << "I" << id;
   return os.str();
 }