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 @2062127 by rhm50, jlindsey15, joachim: Fix documentation of system_requirements() to say it is a hook implementation

Issue #1145700 by jbrown, mr.baileys, joachim: harden link display on dblogoverview screen in case the link might be dependent on user input with any contrib module

Issue #1446372 by Heine, bserem, champlin: Invalid Unicode code range in PREG_CLASS_UNICODE_WORD_BOUNDARY fails with PCRE 8.30.

Issue #1425868 by ELC, lort, greg.harvey, David_Rothstein: Fixed duplicate entry of theme primary key in system table on Drupal 6.24 when updating using drush.

Issue #1425260 by mgifford: Fixed 'Call to undefined function locale_inc_callback()' during 6.22 -> 6.24 upgrade if locale module was previously enabled but is not currently enabled.

Issue #879270 by Ben Coleman: query in taxonomy_node_get_terms() needs the v.weight field added to the SELECT because it was already present in the ORDER BY; improved PostgreSQL compatibility