Book tweak.
Book tweak.

Suggested by: Yves Bergeron <yves.bergeron@shq.gouv.qc.ca>

* ch04.xml:  don't mention Subversion 1.0 specifically.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@851850 13f79535-47bb-0310-9956-ffa450edef68

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