Version Control With Subversion Source

* en/book/ch06-server-configuration.xml
(svn.serverconfig.pathbasedauthz): Document that [repos-name:/path]
is preferred to [/path].

Patch by: danielsh

Merge from trunk r4251, whose log message read thusly:

* en/book/ch09-reference.xml
(svn.ref.svnversion.re.examples): No longer draw attention to svnversion's
behavior when invoked on an unversioned directory.

Reported by: Markus Schaber <m.schaber{__AT__}3s-software.com>

* en/book/ch09-reference.xml
(svn.ref.svnversion.re.examples): No longer draw attention to svnversion's
behavior when invoked on an unversioned directory.

Reported by: Markus Schaber <m.schaber{__AT__}3s-software.com>

Authentication Options: Setting up HTTP authentication (cf.
http://www.svnbook.de/ticket/319).

* en/book/ch09-reference.xml
(svn.ref.svn.sw):
In the description of the --xml option, cite the location of
the output's schemas. (This part by danielsh.)
(svn.ref.svn.c.proplist): s/xml/XML/. (This part by cmpilato.)

Fix typos.

* www/index.pt_BR.html
Update this page.

Patch by: Marcelo F Andrade <mfandrade{__AT__}gmail.com>
(Tweaked by me.)

Break run-on sentence

In footnote, replace comma with mdash

Remove redundant word "file"

"input file" -> "input"

We only need three dots there.

"...." -> "..."