Get rid of helper function content_is_updated(), we can do it better using the content version variable.

#318227 Clean up update abort logic to more clearly explain what still needs to be done, a little more clarification.

#318227 Clean up update abort logic to more clearly explain what still needs to be done, add a helper function to prevent dangerous database operations until database is updated.

#107407 by dopry, optimization patch, do nothing in hook_form_alter() and hook_nodeapi() if there are no fields.

Change update instructions to recommend leaving CCK modules out of the modules folder until they're enabled.

Change update instructions to recommend leaving CCK modules out of the modules folder until they're enabled.

#311146 by Brian294, dheffron, yched, and others, fix critical javascript problem in new Manage fields UI screen in some themes

#314986 by moshe weitzman, remove hook_devel_caches(), deprecated in favor of content_flush_caches().

Clean up inconsistencies in unsetting _error_element, sometimes not unsetting it, sometimes not testing before unsetting it causing undefined index errors.

#119102 Combo field prep, Use === in userreference and nodereference validation to be sure we get right results if parent is a zero (delta) value instead of a string name.

#119102, #314843 Make sure module process code doesn't override #element_validate set by other modules.

Use === in nodereference validation to be sure we get right results if parent is a zero (delta) value instead of a string name.

#314843 Make sure number module doesn't override #element_validate set by other modules, fix previous commit.

Added the #delta value to the wrong place in the element, it was inaccessible to the formatter theme.

#310219 Let modules expose additional display modes iunder the 'Display fields' tab : hook_content_build_modes().

- #119102 Combo field prep, add hooks to the fieldgroup module so other modules can alter group info. Add group_type information to the Manage fields screen.