Version Control With Subversion Source

changes in unidiff format, except for svn:mergeinfo properties").

* en/book/ch03-advanced-topics.xml
(svn.advanced.props.workflow): Update sample output from 'svn diff',
and massage wording about how properties are represented to include
a mention of 'svn patch' and its utility here.

* en/book/ch09-reference.xml
(svn.ref.svn.c.patch): New placeholder section.