Version Control With Subversion Source

* doc/book/book/ch02.xml
(svn-ch-2-sidebar-1): Replace two ">"s with ">" in a <screen>
example.
(svn-ch-2-sect-4): Fix <para> indent and replace '' with <quote>.

* doc/book/book/ch03.xml
(svn-ch-3-sect-2, svn-ch-3-sect-4.3.3, svn-ch-3-sect-4.4,
svn-ch-3-sect-4.4.1, svn-ch-3-sect-4.4.3, svn-ch-3-sect-4.5,
svn-ch-3-sect-5.1, svn-ch-3-sect-5.2, svn-ch-3-sect-5.2.3,
svn-ch-3-sect-7, svn-ch-3-sect-8): Fix <para> indents.