- Strips the leading / from URLs to match with block paths. The reason is that everywhere else in Drupal, we use URLs without leading slash (e.g. URL aliasing). For consistency we should keep this behaviour everywhere. The replacement uses ereg_replace instead of str_replace, but the expression now only match the beginning of the URI so in fact it's faster, esp. for longer URIs.

- Updates the block docs about path matching: gets rid of leading slash, adds initial matching o
perator '^' and emphasises the slash behaviour (which was not mentioned anywhere before)

- Replaces the example expression for a negative match. It was horribly broken and odd, the repl
acement in this patch is correct and simpler.

Fixed an apparently old bug which always defaulted user-togglable blocks to off, and clarified the explanation a bit.

- Patch by Steven: removed redundant permission checks.  These are no longer
  required thanks to the new 404 handling.

- Batch two with profile module improvements:
   + Reworked the 'account administration' page.
   + Fixed bug in the 'edit account' page.
   + Removed some dead code from the system.module.

   + Tidied up the profile configuration page: grouped form elements.

   + Tidied up the block configuration settings: removed hard-coded
     table.

   + Changed the profile API to return the preferred group name, and
     changed the user module to group settings.  Modules implementing
     the _user hook will need to be udpated.

   + Removed register_form and register_validate for now.

Patch 5287 by Stefan: multiline help texts should become inside a single $output.

Patch 5187 by Goba:
 - puts the long multiline help text into one string
 - fixes the ambiquity of calling two things on the same name: "custom block"
   now the user customizeable blocks are called custom blocks, and the admin
   defined blocks are called Administator Defined Blocks
 - added info on throttle to the explanation on when a block is displyed
 - also fixing some small typos

- Removed instances of the 'throttle_enable' variable.

- Patch #5184: fixed block path and aliases.  Patch by Nick.

- Tidied up the DoxyGen comments.  Patch by Kjartan.

- Patch 0185 by Jeremy: made it possible to automatically disable modules when
  under heave load.

- Patch 185 by Ax: fixed undefined variables, synchronized xtemplate with sf, etc.

- Introduced a drupal_set_message() and drupal_get_message() function.

  Contributed themes and modules need to be updated:
   - modules: status() is no more; use drupal_set_message() instead.
   - themes: use drupal_get_message() to check for status messages and
     visualize them.

- Bugfix by Jeremy.

- Made it possible to auto-throttle blocks.  That is, blocks can be
  configured to be disabled when under excessive load.  Patch by Jeremy.

- Committed phase 4 of JonBob's menu system changes.

  * fixes all doxygen warnings [#]_ in the current code base
    + changes @param style from phpDocumentor (@param type $var desc) to doxygen (@param $var desc)
    + documents all undocumented parameters
    + escapes / fixes html warnings
    + fixes @defgroup in theme.inc
  * adds more groupings [#]_
    + drupal_{set|get}_title, drupal_{set|get}_breadcrumb
    + pager.inc: pager_api (pager_query(), pager_display()), pager pieces
  * adds a new group "themeable" which contains all themeable functions.

- Patch by JonBob:

  Phase 2 of the menu system integration project. This unifies the interface
  used by admin and non-admin pages, and deprecates the _page hook in favor of
  explicit callbacks from menu(). Breadcrumbs, titles, and help text go away
  as a result of this patch; they will return in the phase 3 patch, printed
  by the theme.

   + block_list() (in block.module): returns an array of block objects for
     $region.
   + theme_blocks() (in theme.inc): uses block_list() and theme("block") to
     actually render them.

  Advantages:
   + Decouples blocks content and layout, allows block_list() to be used
     for non-output purposes (think "pull").
   + Unifies naming in theme.inc: render_blocks()) didn't really fit there.
   + Puts block_list() in blocks.module where it logically belongs.

- Removed some cruft from the Xtemplate theme.  Patch by Ax.

- table(...) -> theme("table", ...)

- Usability improvement: replaced many selection boxes by radio buttons.
  Patch by Stefan.

- Committed part 3 of Michael's help system improvements: removed the $help
  parameter from the menu() function.

- Help system improvements: eliminated the _system hook.  Patch by Michael.

- Bloggerapi module fixes.  Patch by Kjartan.

- Coding style fixes.  Patch by Michael.

- Bugfix: the block module's help was not being displayed.  Patch by Gabor.

- Help improvements and translation improvements from Michael.  Thanks!

- Block module fixes.  Patch by Kjartan.

- Translation improvements for the block module help.  Patch by Gabor.

- More translation fixes for the menu items.  Patch by Gabor.

- Committed Al's new admin link texts.  Remarks:

  1) As explained by Al, there is still a glitch with the 'create content'
     menu.
  2) The user module part of the patch did not apply due to Kjartan's earlier
     patch.

- Committed the admin menu integration patch.  Thanks Adrian, Stefan and others.

- Committed a partial administration page integration patch.

- Fixed bug #2689.  Patch by Bruno.