Version Control With Subversion Source

* src/en/book/ch00.xml (Preface): /trunk represents 1.2 book, not 1.1.

* www/index.nb.html: Argh, forgot to change the language code in the
Russian links.

Changes in the language links in the footer at the Norwegian web page.

* www/index.nb.html: Decapitalize “Italian” and use correct language in
the Russian links.

Sync the Norwegian web page against the English page, r1549:1583.

* www/index.nb.html
Updated r1583.

Add missing semicolons to numerical entities. Why didn’t
validator.w3.org complain about this? xmllint(1) does.

* www/index.en.html
(Feedback/Contributing): Add missing semicolon to the numerical
entities.

* www/index.es.html: Updated web page to match English revision 1567.

* zh/book/ch04.xml: Add UTF BOM, finished, need more check up.
* zh/book/glossary.xml: add some new word

Revert r1579 which added a long warning from Eric Hanchrow (issue #2131),
because this may well not be the best place or manner in which to address
the issue. Requested by Ben Collins-Sussman.

* src/en/book/ch04.xml (svn.branchmerge.copychanges.bestprac):
Remove a long warning.

* src/en/book/ch04.xml (svn.branchmerge.copychanges.bestprac):
Warn about restructuring directories in a branch, because of issue #895:
renames delete by name, not by object identity.

Patch by: Eric Hanchrow <offby1@...>
(Tweaked by me.)

* src/en/book/ch03.xml (svn-ch-3-sect-6.1): Note that "svn log -qv"
shows just the names of the changed files.

Patch by: Eric Hanchrow <offby1@...>