Add some missing elements and write the full length of a cvs command.
Add some missing elements and write the full length of a cvs command.

* doc/book/book/appa.xml
  (svn-ap-a-sect-4): "cvs up" changed to "cvs update". Also add <command> and 
    <filename> element.
  (svn-ap-a-sect-8): Add <literal> element.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@850775 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion