Warning: Missing argument 2 for mm_drush_help() in /var/www/vhosts/bin/drush/commands/drush_mm/mm.drush.inc on line 12

I saw you invoke hook_help with 2 args in drush_mm - I checked several other bundles of drush commands and they only use 1 - named $section:

function pm_drush_help($section) {
  switch ($section) {
    case 'drush:enable':
      return dt('Enable one or more modules. Enables dependant modules as well.');
    case 'drush:disable':
      return dt('Disable one or more modules. Disables dependant modules as well.');
    case 'drush:uninstall':
      return dt('Uninstall one or more modules. Modules must be disabled first.');
    case 'drush:statusmodules':
      return dt('Show enabled/disabled status for modules.');
    case 'drush:refresh':
      return dt('Refresh update status information. Run this before running update or updatecode commands.');
    case 'drush:updatecode':
      return dt("Display available update information and allow updating of all installed project code to the specified version (or latest by default).
Note: The user is asked to confirm before the actual update. Use the --yes option to answer yes automatically.");
    case 'drush:update':
      return dt("Display available update information and allow updating of all installed projects to the specified version (or latest by default), foll
owed by applying any database updates required (as with running update.php). Note: The user is asked to confirm before the actual update. Use the --yes
option to answer yes automatically.");
      case 'drush:info':
      return dt("View all releases for a given project (modules, themes, profiles, translations). Useful for deciding which version to install/update.")
;
    case 'drush:dl':
      return dt("Quickly download projects (modules, themes, profiles, translations) from drupal.org. Automatically figures out which module version you
 want based on its latest release, or you may specify a particular version. Downloads drupal core as well.  If no destination is provided, defaults to a
 site specific modules directory if available, then to sites/all/modules if available, then to the current working directory.");
  }
}

So please patch drush_mm.

PS I see the following list of commands in my drush-HEAD:
# ls -l commands/

core
pm
simpletest
sql

and

# drush

Execute a drush command. Run `drush help [command]` to view command-specific
help.

Examples:
  drush dl cck zen                      Download CCK module and Zen theme.
  drush --uri=http://example.com status Show status command for the example.com multi-site.

Options:
  -r <path>, --root=<path>      Drupal root directory to use (default: current directory)
  -l <uri> , --uri=<uri>        URI of the drupal site to use (only needed in multisite environments)
  -v, --verbose                 Display all available output
  -q, --quiet                   Hide all output
  -y, --yes                     Assume 'yes' as answer to all prompts
  -s, --simulate                Simulate all relevant actions (don't actually change the system)
  -i, --include                 A list of paths to search for drush commands
  -c, --config                  Specify a config file to use. See example.drushrc.php
  -u, --user                    Specify a user to login with. May be a name or a number.
  -b, --backend                 Hide all output and return structured data (internal use only).

Commands:
  help                  Print this help message. Use --filter to limit command list to one command file (e.g. --filter=pm)
  status                Provides a birds-eye view of the current Drupal installation, if any.
  dl                    Download core Drupal and projects like CCK, Zen, etc.
  updatedb              Execute the update.php process from the command line
  sql conf              Print database connection details.
  sql version server    Print database server version number.
  sql version client    Print database client library version number.
  sql dump              Exports the Drupal DB as SQL using mysqldump.
  sql query             Execute a query against the site database.
  sql load              Copy source database to target database.
  sql cli               Open a SQL command-line interface using DrupalБ─≥s credentials.
  cron                  Run all cron hooks.
  script                Run php script(s).
  cache clear           Clear all caches.
  watchdog show         Shows recent watchdog log messages. Optionally filter for a specific type.
  watchdog delete       Delete all messages or only those of a specified type.
  sync                  Rsync the Drupal tree to/from another server using ssh.
  eval                  Evaluate arbitrary php code after bootstrapping Drupal.
  enable                Enable one or more modules.
  disable               Disable one or more modules.
  uninstall             Uninstall one or more modules.
  statusmodules         Show module enabled/disabled status
  refresh               Refresh update status information
  updatecode            Update your project code
  update                Update your project code and apply any database updates required (update.php)
  info                  Release information for a project
  coder                 Run code reviews
  generate users        Creates users.
  generate taxonomy     Creates taxonomy.
  generate content      Creates content.

note the enable/disable commands - does these make drush_mm obsolete ?? At least the help claims so.