diff --git a/bin/osv/orm.py b/bin/osv/orm.py
index cedacb728b3..4d91e4a213f 100644
--- a/bin/osv/orm.py
+++ b/bin/osv/orm.py
@@ -653,9 +653,21 @@ class orm_template(object):
             if warning:
                 cr.rollback()
                 return (-1, res, warning, '')
-            id = self.pool.get('ir.model.data')._update(cr, uid, self._name,
-                    current_module, res, xml_id=data_id, mode=mode,
-                    noupdate=noupdate)
+            
+            try:
+                id = self.pool.get('ir.model.data')._update(cr, uid, self._name,
+                     current_module, res, xml_id=data_id, mode=mode,
+                     noupdate=noupdate)
+            except Exception, e:
+                import psycopg2
+                if isinstance(e,psycopg2.IntegrityError):
+                    msg= 'Insertion Failed!'
+                    for key in self.pool._sql_error.keys():
+                        if key in e[0]:
+                            msg = self.pool._sql_error[key]
+                            break
+                    return (-1, res,msg,'' )
+                
             for lang in translate:
                 context2 = context.copy()
                 context2['lang'] = lang
diff --git a/bin/report/custom.py b/bin/report/custom.py
index f7ff8996875..4c0c9b1ece0 100644
--- a/bin/report/custom.py
+++ b/bin/report/custom.py
@@ -554,6 +554,7 @@ class report_custom(report_int):
                 abscissa.update(fields_bar[idx])
             idx0 += 1
         abscissa = map(lambda x : [x, None], abscissa)
+        abscissa.sort()
         ar.x_coord = category_coord.T(abscissa,0)
         ar.draw(can)
 
diff --git a/bin/report/render/rml2pdf/trml2pdf.py b/bin/report/render/rml2pdf/trml2pdf.py
index 7efda11382b..cae88ac5eef 100644
--- a/bin/report/render/rml2pdf/trml2pdf.py
+++ b/bin/report/render/rml2pdf/trml2pdf.py
@@ -236,16 +236,19 @@ class _rml_canvas(object):
     def _drawString(self, node):
         v = utils.attr_get(node, ['x','y'])
         text=self._textual(node, **v)
+        text = utils.xml2str(text)
         self.canvas.drawString(text=text, **v)
 
     def _drawCenteredString(self, node):
         v = utils.attr_get(node, ['x','y'])
         text=self._textual(node, **v)
+        text = utils.xml2str(text)
         self.canvas.drawCentredString(text=text, **v)
 
     def _drawRightString(self, node):
         v = utils.attr_get(node, ['x','y'])
         text=self._textual(node, **v)
+        text = utils.xml2str(text)
         self.canvas.drawRightString(text=text, **v)
 
     def _rect(self, node):
diff --git a/bin/report/render/rml2pdf/utils.py b/bin/report/render/rml2pdf/utils.py
index 65fb2366c9a..b7f81ec24e4 100644
--- a/bin/report/render/rml2pdf/utils.py
+++ b/bin/report/render/rml2pdf/utils.py
@@ -47,6 +47,9 @@ _regex = re.compile('\[\[(.+?)\]\]')
 def str2xml(s):
     return s.replace('&', '&amp;').replace('<', '&lt;').replace('>', '&gt;')
 
+def xml2str(s):
+    return s.replace('&amp;','&').replace('&lt;','<').replace('&gt;','>')
+
 def _child_get(node, self=None, tagname=None):
     for n in node:
         if self and self.localcontext and n.get('rml_loop', False):
diff --git a/bin/report/report_sxw.py b/bin/report/report_sxw.py
index 838e0d136d2..1f1b3a0b5be 100644
--- a/bin/report/report_sxw.py
+++ b/bin/report/report_sxw.py
@@ -305,7 +305,7 @@ class rml_parse(object):
         head_dom = etree.XML(rml_head)
         for tag in head_dom.getchildren():
             found = rml_dom.find('.//'+tag.tag)
-            if found:
+            if len(found):
                 if tag.get('position'):
                     found.append(tag)
                 else :