clarification") and Issue #104 ("1.7: Document 'svn relocate'
subcommand (and de-emphasize 'svn switch --relocate')").
* en/book/ch03-advanced-topics.xml
(svn.advanced.externals): Refer to the use of 'svn relocate' rather
than 'svn switch --relocate'.
* en/book/ch04-branching-and-merging.xml
(svn.branchmerge.switchwc): Refer to the use of 'svn relocate'
rather than 'svn switch --relocate'.
* en/book/ch05-repository-admin.xml
(svn.reposadmin.maint.replication.wrapup): Refer to the use of 'svn
relocate' rather than 'svn switch --relocate'.
* en/book/ch09-reference.xml
(svn.ref.svn.sw, svn.ref.svn.c.switch): Note that --relocate is
deprecated, and point to 'svn relocate'.
(svn.ref.svn.c.relocate): New section.