Version Control With Subversion Source

Make the "rN" convention for revision numbers official:

* subversion/clients/cmdline/log-cmd.c
(log_message_receiver): Use "r" instead of "rev " when printing
revision numbers, and use pipe instead of colon as the first
separator, for consistency.

* subversion/tests/clients/cmdline/log_tests.py
(parse_log_output): Adjust accordingly.

* tools/dev/svn-dev.el
(svn-log-msg-boundary-regexp): Same.

* doc/book/book/ch03.xml,
doc/book/book/ch04.xml,
doc/book/book/ch08.xml: Same.

Merge /branches/partial-authz-dev to /trunk, r7571:7672.
See the branch for full log messages.

Here's my nutshell summary of the new 'partial read-authz feature':

If a client checks out or updates a tree, a server authz system now
has the ability to selectively deny read-access on arbitrary files and
dirs by supplying a authz_read_func to svn_repos_dir_delta(). In this
situation, dir_delta() will call new absent_file|dir editor
functions instead of the usual [open|add] functions. The DAV layer
now marshals these messages over the network, and libsvn_wc marks the
appropriate wc entries as 'absent'. Entries marked 'absent' are
essentially treated like 'deleted' ones; most client commands can't
see them at all. (But 'svn up' *does* report them to the server, in
case read-access is re-granted.)

(There are still a couple of small wc bugs, specifically triggered by
repeated granting/ungranting of read-access to files. They'll be
fixed RSN.)

Final note: this change upgrades working copies from format 2 to
format 3 'in place'. Format 1 wc's are no longer supported.

The use of the word "switch" after each switch (e.g. -u switch) could
be misconstrued to imply that the switch takes an argument. It also
clutters up the text unnecessarily. Remove it.

Patch provided by "John R. Daily" <jdaily@...>.

* doc/book/book/appa.xml: Be consistent.

Assuming "svn help list" is accurate, the output does not include a
column indicating the presence of properties; remove that from the
book.

While we're at it, change "updated" to "modified", since we're talking
about changes on the server, not in the working copy.

Patch provided by "John R. Daily" <jdaily@...>.

* doc/book/book/ch03.xml: Update docs.

Undo earlier search/replace error from rename of sample project
"write" to project "calc". Patch provided by "John R. Daily"
<jdaily@...>.

* doc/book/book/ch04.xml: Fix silly mistake.

* ch04.xml: wording clarification from Joe Drew <hoserhead@...>.

We say "version control", not "revision control". Changed where the user can
see it: documentation, help and error messages, but not source code comments.

Update the Book entry for "svnadmin setlog": since r7322 it runs the hooks
unless --bypass-hooks is given.

Make some help text clearer and more self-consistent.

* doc/book/book/ch03.xml
* doc/book/book/ch08.xml
* subversion/clients/cmdline/main.c (svn_cl__options, svn_cl__cmd_table)
Describe revision specifiers more accurately.
Make some help messages better and more consistent.

* subversion/tests/clients/cmdline/getopt_tests_data/svn_help--version_stdout
* subversion/tests/clients/cmdline/getopt_tests_data/svn_help_log_switch_stdout
Updated accordingly.

Improve the layout of "svn list -v" and "svn status -v" output.

* subversion/clients/cmdline/ls-cmd.c (print_dirents)
Leave the "file size" column blank for a directory; don't print "0".
Left-align the last commit author field: it visually associates it with the
last commit revision field, and it keeps its alignment when it overflows.
Remove redundant padding from strings: they will be padded by "printf".

* subversion/clients/cmdline/status.c (print_status)
Left-align the author field and remove redundant padding, as above.
Allow the author field to extend an extra four characters into existing
white space before breaking alignment of subsequent fields.
Align the "?" for no-working-revision in the same way as other "?"s.

* doc/book/book/ch03.xml
* doc/book/book/ch08.xml
Update the example output accordingly.