Issue #699604 by cam8001, Albert Volkman: Change links to form API reference to just use the file name

Issue #260934 by catch, ShawnClark, Jody Lynn, Island Usurper, joshmiller, anrikun, roychri, pdrake, Dave Cohen, sun, plach, bjaspan: When drupal_execute()ing multiple forms with same form_id in a page request, only the first one was validated.

Issue #1436074 by Pat Redmond, tstoeckler, fureigh: Minor documentation fix in the batch_set() docs.

Issue #188947 by lyricnz: date_validate() takes a form element, not a whole form, correct the variable name to clean this up

Issue #1154722 by mattconnolly, barbi, jhodgdon: link Form API reference to Drupal 6 version in Form API docs

#528822 by markDrupal, jhodgdon: update batch API example to document file key, reflow key listing to be an actual list

#640050 by heyrocker: fix code example in drupal_execute() phpdoc; password fields should have two string values

#360605 by Berdir et al.: make Drupal core work with PHP 5.3.0 out of the box (fixes for incompatibilities introduced with PHP 5.3.0)

#302240 by fago: forms were rebuilt on validation errors and when #ahah was used #cache was turned on, but form storage was not actually stored

#265265 by neochief, jhodgdon: missing phpdoc @code tags on PHP code examples in form.inc and actions.inc

#398902 by Nick Urban, alexanderpas, kscheirer: password equality checking was not using strict type checking; we should assume these are strings and compared character to character

#292565 by grendzy, John Morahan, Jody Linn: remove path munging on 403/404 pages, which caused problems for login redirects

#343415 by Damien Tournoud: the form cache is not automatically cleared on submit if the page cache is activated

#297972 by wilson98, scor, Steven Jones, yched, heyrocker: make the batch API compatible with drupal_execute(), so things like creating a CCK type or adding fields to it (by submitting forms programatically) are possible in update functions

#292565 by lyricnz, Damien Tournoud, Jody Lynn, kleinmp, John Morahan, akalsey: Make forms work on 404 and 403 pages. Remove any fake destination set by drupal_not_found() or drupal_access_denied() so that we can properly redirect from those pages.

#314286 backport of some of #229129 by assimonds: disbaled checkboxes did not receive their values properly from the default value set

#152098 by hunthunthunt, mgifford, Dave Reid: add 'for' attribute to 'label' tags on checkboxes and radio buttons, even if the 'label' wraps the element - accessibility best practice

#284887 by Dave Reid, dww: Avoid a 403 on autocomplete fields, when people do not have access to the path used for autocompletion; by disabling the autocomplete altogether in this case.

#299672 by fago, chx: Cache form only if any of its element set #cache to TRUE (not if #cache is set at all)

#180063 by andremolnar, TheMystic, R.Muilwijk: There was no way to flush form errors during iterative programatic form submission. Slight API expansion.

- Modified patch #230374 by killes, jakeg, Eaton et al: corrected problem with form API caches not being flushed.  This could lead to performance issues.