Version Control With Subversion Source

'svnlook (pg|pl)' subcommands.

* en/book/ch09-reference.xml

(svn.ref.svnlook.sw): Add
svn.ref.svnlook.sw.show_inherited_props to valid
svnlook options.

(svn.ref.svnlook.c.propget,
svn.ref.svnlook.c.proplist): Add --show-inherited-props
as a valid option and give brief examples.