X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2FDEVEL%2Fmathml_editor%2Fsrc%2FTPushParser.cc;h=0c96fe43968c94be52a1fdcffac385012d683ebb;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=7a8356f7d87ad01960afa9f1845643849fe44932;hpb=e4fed32b1519f436de9ca84c3c9c67e1530808b6;p=helm.git

diff --git a/helm/DEVEL/mathml_editor/src/TPushParser.cc b/helm/DEVEL/mathml_editor/src/TPushParser.cc
index 7a8356f7d..0c96fe439 100644
--- a/helm/DEVEL/mathml_editor/src/TPushParser.cc
+++ b/helm/DEVEL/mathml_editor/src/TPushParser.cc
@@ -23,6 +23,8 @@
  * or send an email to <lpadovan@cs.unibo.it>
  */
 
+#include <cassert>
+
 #include "ALogger.hh"
 #include "TPushParser.hh"
 #include "AMathMLFactory.hh"
@@ -55,9 +57,10 @@ TPushParser::reset()
 {
   nextId = 1;
   if (cursor.parent()) cursor.remove();
+  cursor["val"] = "";
   doc.reset();
   doc.root().append(cursor);
-  if (factory) factory->documentModified(doc);
+  if (factory && !frozen()) factory->documentModified(doc);
 }
 
 TNode