sentences:  pas to start a dissertation on the origin of modern novel without 
  mentioning the HKLM of GFDL...In the following ITS markup example, the codice_8 element specifies that any node corresponding to the XPath expression codice_9 has an associated note.The location of that note is expressed by the codice_10 attribute, which holds a relative XPath expression pointing to the node where the note is, here codice_11.