Rollback for issue #12274 given that it does not consider email domain names with hyphens valid after the first component of the domain name.

Issue #12274 by markoshust, DamienMcKenna, seanbfuller, cburschka, aufumy: do not accept email addresses with dots at the end as valid

Issue #600836 by tim.cosgrove, dww, naxoc, Dave Reid: prevent batches from going indefinitely if their 'finished' value becomes bigger than 1

Issue #975754 by jhodgdon, Albert Volkman: fix phpdoc about access callback inheritance for menu items

Issue #147000 by Berdir, Dave Reid, pwolanin, pillarsdotnet, TR, jbrauer, dstol: rework module_rebuild_cache() and system_theme_data() to support locking, so that concurrent requests will not corrupt the data; fixes an issue where themes got disabled occasionally

Issue #156582 by c960657, drico, pwolanin, townxelliot, Damien Tournoud, kbahey, mikeytown2, jpmckinney, craig_, zyxware: add missing timeout support to drupal_http_request() to avoid Drupal hanging on web service requests

Issue #504506 by andypost, pillarsdotnet, podarok: Drupal.formatPlural() did not pass on extra arguments for translations of some plural values

Issue #883038 by pillarsdotnet, ShutterFreak, anarcat: ereg() and ereg_replace() are deprecated but Drupal 6 will not migrate to preg to avoid breaking APIs, so we need to silence the warnings coming out of the use of ereg on PHP 5.3+

Issue #1174496 by Eric_A, grendzy, greg.1.anderson, c31ck: drupal_error_handler() should not assume filter_xss() is available. It might be called before that is loaded. Also fixes Drush compatibility.

Issue #825972 by daniels220, Reidsy, Albert Volkman: add phpdoc documentation to sess_read() and sess_write()

Issue #208793 by Damien Tournoud, kbahey, TR: instead of hardcoding the HTTP protocol version in responses, respond with the HTTP protocol version requested (or fall back to HTTP/1.0 if the requested protocol/version is unknown)

Issue #1103310 by c960657: lock_acquire() does not properly extend expired lock due to misuse of db_query() to check for affected rows

Issue #1169034 by mfb: fix notice in file_create_filename() for cases when the ext variable did not exist previously

Issue #1222802 by franz, droplet, jhodgdon: cleanup for pager phpdoc blocks; add missing text argument doc to theme_pager_link

Issue #1190846 by vitalsouto, ninizik: remove one of two copies of repeated phpdoc documentation on actions

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

Issue #1123120 by kiamlaluno, mr.baileys: improve documentation for theme preprocess; hook argument was missing

Issue #384794 by trond, mvc, alduya, intuited, jaydublu, jhedstrom: trim() .po file comments on import, so that custom textgroup imports will find their right database equivalent

Issue #163445 by webengr, mlsamuelson, greg.1.anderson, pescetti: fix issues with IE not being able to download private files served over SSL with additional headers

Issue #307636 follwup by quicksketch: fix to make image_get_info() on IIS work better had a variable name typo before; now fix that

Issue #690358 by sbrattla, jhodgdon, nenne: overhaul file_check_directory() documentation due to various issues

Issue #1087092 by danillonunes, drewish: fix a tiny misues of @result in drupal_map_assoc() documentation