is not corrupted). Patch (mostly) by John Szakmeister <john@...>.
* subversion/svnadmin/main.c
(cmd_table): Add new subcommand 'verify'.
(subcommand_dump): Minor no-op changes.
(subcommand_verify): New.
* subversion/libsvn_repos/dump.c
(dump_node, write_revision_record, svn_repos_dump_fs): Don't write
to NULL output streams.
(svn_repos_dump_fs): Don't write to a NULL output stream. Also,
when the output stream is NULL, print feedback messages that say
"Verified revision" instead of "Dumped revision".
* subversion/include/svn_repos.h
(svn_repos_dump_fs): Modified docstring to reflect the acceptance of
a NULL dumpstream.
* subversion/doc/book/book/ch05.xml
Document the new 'svnadmin verify' command.
