Drupal 6.38 (SA-CORE-2016-001) by agerard, Alan Evans, benjy, catch, chx, dalin, Damien Tournoud, DamienMcKenna, Dave Cohen, Dave Reid, David Jardin, David_Rothstein, dmitrig01, dsnopek, effulgentsia, fgm, greggles, Gábor Hojtsy, Harry Taheem, Heine, John Morahan, Juho Nurminen 2NS, klausi, larowlan, nagba, Pere Orga, plach, pwolanin, quicksketch, rickmanelius, scor, sun, Tarpinder Grewal, YesCT

Issue #2387745 by zealfire, joachim: docs for watchdog() should state character limits, and give error levels

Issue #1629994 by oadaeh, Aron Novak, yurtboy: Reference correct RFC in mail functions documentation

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

Issue #183435 by TR, gregmac: make drupal_http_request() more tolerant of faulty newlines in the response headers

Issue #341588 by voxpelli, mikl, Albert Volkman, dawehner: use the right JSON MIME type in drupal_json()

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 #655048 by Gábor Hojtsy, gumanist, intuited, Albert Volkman: Plural formula information was blanked when importing a poorly-formed .po file.

Issue #300279 by achton, pillarsdotnet, unknownguy: Improve db_query_temporary() documentation to apply even if persistent database connections are used.

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

Issue #1421330 by Albert Volkman, heyrocker: Crosslink cache_set() and cache_get() documentation with @see.

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