More book work:  saving progress.
More book work:  saving progress.

* ch06.xml:  finish most of the 'svnserve' documentation.  hoo.




git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@848206 13f79535-47bb-0310-9956-ffa450edef68

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