#207170 by hswong3i slightly modified: drupal_write_record() did not return FALSE on query failure and had bad documentation on the returned values

#200777 by JirkaRybka: theme settings form relied on _POST[] and stored irrelevant formapi keys as theme settings

#202821 by marco.robotangel: display messages above help in all core themes for consistent user feedback (usability)

#206670 by keith.smith and myself: node type names have their underscores converted to hyphens in node/add links

#206820 by catch, keith.smith: forum delete confirm form was saying it deleted posts, but it does not

- Patch #199955 by saxofaan: file_upload_max_size() returns results in bytes, not in mega bytes.

#199809 by theborg: comment templates were not checking status properly (fix notice, allows themes to theme in-preview comments differently)

#197720 by nedjo, scor, keith.smith, catch: inform installing users about PHP memory requirements of Drupal 6

#206281 by keith.smith: document that people should look into the new system requirements when they upgrade

#206232 by chx with a bit of cleanup: add in-memory reset clearing to locale() to help it interact with simpletests, which are not reloading the Drupal instance on form submits

#206272 report by yojoe, patch by myself: user provided data in menu titles should be check_plain()-ed not t()-ed

#201141 by yched: instead of 'HTTP error 200' messages when a PHP error occurs, actually display the PHP error message

#195161 by mcarbone with some modifications: only show 'login to post comments' if logging in actually lets you post comments

#198856 by hswong3i: Fix some incorrect use of %s for table name escaping, implement better security checks

#202955 by chx: menu_rebuild() needs to be called after maintenance mode, because stale data might end up in menu tables in maintenance mode

#205843 report by asimmonds, patch by chx: menu_valid_path() was used as an API function, but was located in menu.module, move to menu.inc

#168315 by schuyler1d: previous active database name was not consistently returned in db_set_active()

#50901 by chx: do not allow user login under maintenance mode, if the logged in user has no site config permission

#135329 follow up: rolling back some of the user password request form changes, so user names in email address format (eg. site_network module) will still work

#181125 follow up by beginner: book.js should have been removed earlier in #181125, was a commit mistake

#205334 by hass: if more then 5 languages are available, use a dropdown not a radio button list (usability)

#205075 report by ktabuer, patch by myself, testing by ktauber and Lynn: book block throws notice when used on non-book-node page (with a little bit of code cleanup)