Character Model for the World Wide Web: String Matching publication history Date Status 11 August 2021 Note 4 February 2019 Note 20 April 2018 Working Draft 7 April 2016 Working Draft 19 November 2015 Working Draft 13 August 2015 Working Draft 21 July 2015 Working Draft 15 July 2014 Working Draft 1 May 2012 Working Draft 27 October 2005 Working Draft 25 February 2004 Working Draft 22 August 2003 Working Draft 30 April 2002 Last Call Working Draft 20 February 2002 Working Draft 20 December 2001 Working Draft 28 September 2001 Working Draft 26 January 2001 Last Call Working Draft 29 November 1999 Working Draft 25 February 1999 Working Draft