title: Date conversion YYYYMMDD to YYYY-MM-DD
body: <p>I have a date string in format YYYYMMDD for example 20140330 
  In xsl 1.0 I want to convert the date string to format YYYY-MM-DD for example 2014-03-30</p>
  
  <p>I tried using several date functions but it did not work.
  Can anyone help me to convert the date ?</p>