#639708 by kiamlaluno, JuliaKM, jhodgdon: minor fix for documentation of return value in drupal_match_path()

#644482 by hass (backport of #452936): use TRUNCATE to do full cache clearing, which results in a dramatic speed increase

#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

#647336 by Morbus Iff: No params for xmlrpc() causes PHP 5.3.x failure of XML-RPC. Initialize the XML-RPC message params property properly.

#472820 by rfay, Rob Loach, mfb, sun, andypost: do not remove newlines in CSS aggregation; it breaks certain valid CSS structures

#193383 follow up by TheRec: (regression) - some set_time_limit() numbers were inadvertently removed in the previous patch.

#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)

#193383 by JirkaRybka, Arancaytar, Bart Jansens, gpk, TheRec: check correctly for function_exists() on set_time_limit() instead of infering that safe_mode has an effect on it or that that is the only thing which might disable time limit setting

#292565 second follow up by John Morahan: fix login destination again on 403/404 pages and make the search form work there if displayed

#534480 by solotandem, jhodgdon: fix phpdoc documentation of what $delimiter means in drupal_get_content()

#346450 by snoble, Damien Tournoud, Dave Reid, Josh Waihi, neilnz: the 'length' Schema API property was documented to be only applicable to string types but was applied to others nonetheless; should only apply to char, varchar and text

#315047 by Island Usurper, Crell, brianV, Josh Waihi: names of database columns were not escaped when changed; caused problems with using reserved words

#232321 by munzirtaha, brianV: There is no body field in the node table, so fix misleading example in database.inc to query for node.nid instead

#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

#480044 by JohnAlbin: fix system component listing lookup priorities, so the sites/all/* items will override the profile shipped items as documented

#454462 by JohnAlbin: MODULE_preprocess_maintenance_page() functions were never called, even if the database is online

#280240 by skiminki, casperbiering, anypost, pwolanin: Only add Content-Length if we actually have any content or if it is a POST or PUT request.

#409994 by Wesley Tanaka, jhodgdon: better documentation on how the cid and wildcard arguments interact on cache_clear_all()

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

#499254 by chx: Drupal lacked support for positive integer values in database queries, beyond PHP_INT_MAX; caused issues with twitter integration and big numbers in general

#310139 by fonant, c960657, pwolanin: drupal_urlencode() and Drupal.encodeURIComponent was used to encode query strings and other components it should not have been used for

#284392 by Passionate_Lass, Anselm Heaton, tassoman, agentrickard: DISTINCT handling in db_distinct_field()'s MySQL implementations was resulting in bogus queries

#482646 follow up by Dave Reid: only check the db prefix for simpletest if it was a string (not running a multisite)