use escape characters that we can find in html sometimes.

This prevent to break the xml


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@381 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/XMLExportImport.py

@@ -32,6 +32,7 @@ from cStringIO import StringIO
 from email.MIMEBase import MIMEBase
 from email import Encoders
 import pickle
+from xml.sax.saxutils import escape, unescape
 
 from zLOG import LOG
 
@@ -94,8 +95,10 @@ def Base_asXML(object, ident=0):
           if i<len(value):
             xml+='@@@' # XXX very bad hack, must find something better
           i += 1
-      elif self.getPropertyType(prop_id) in ('text','string'):
-        xml += str(value).replace('\n','@@@')
+      elif self.getPropertyType(prop_id) in ('text','string',):
+        #xml += str(value).replace('\n','@@@')
+        value = str(value).replace('\n','@@@')
+        xml += escape(value)
       else:
         xml+= str(value)
       xml += '</%s>\n' % prop_id