Version Control With Subversion Source

are treated binary").

* en/book/ch03-advanced-topics.xml
(svn.advanced.props.auto): Mention the libmagic integration (though
not by name) and the UTF-16 complication.
(svn.advanced.props.special.mime-type): Remove some text redundant
with, and now include a pointer to, the Automatic Property Setting
section.
(svn.advanced.props.special.keywords): Mention that keyword
substitution only happens on non-binary files.