Version Control With Subversion Source

* ch04-branching-and-merging.xml: enter O'Reilly's copyedits.

ch01-fundamental-concepts.xml: enter ORA's copyedits.

Phrasing tweaks and typo fixes.

Sync the Norwegian and English page.

* www/index.nb.html: Merged r2869, r2870.

* www/old-versions.nb.html: Translated to Norwegian + set svn:externals
to Id + added Id, base href element, and Vim magic.

Merge r2849 into the Norwegian page — move the old book listings into
their own file.

* www/old-versions.nb.html
Copy of old-versions.html .

* www/index.nb.html
Merged r2849 from index.en.html .

* www/index.en.html
* www/index.es.html
* www/index.it.html
* www/index.ja.html
* www/index.nb.html
* www/index.pt_BR.html
* www/index.ru.html
* www/index.zh.html
* www/old-versions.html
Validation fix: add xmlns attribute to the html element to make
validator.w3.org happy.

* www/old-versions.html: Fixed validation error (</a> replaced with
</span>).

* src/en/book/ch09-reference.xml
Rework a bit about 'svn switch --relocate' to not indicate that this
operation won't contact the repository (which is untrue), and to not
encourage folks (if only indirectly) to write Perl scripts for
working copy data fiddling.

Suggested (in part) by: Daniel Shahaf <d.s {at} daniel.shahaf.co.il>

Minor grammar fix, reported by Bryan Diamond <bryand -at- grlx005.boi.hp.com>.