Add tooltip for save button.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@8215 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/view_main.xml

@@ -83,7 +83,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.\n
         <div class="actions">\n
           <tal:block tal:condition="editable_mode | python: 1">\n
             <button tal:condition="python: here.portal_membership.checkPermission(\'Modify portal content\', here)"\n
-                    type="submit" name="Base_edit:method" class="save">\n
+                    type="submit" name="Base_edit:method" class="save" title="Save"\n
+                    i18n:attributes="title" i18n:domain="ui">\n
               <span class="image"></span>\n
               <span class="description"\n
                     i18n:translate="" i18n:domain="ui">Save</span>\n