Issue #1333400 by Albert Volkman, Chi: Add parameter docs for hook_install_tasks
Issue #1873608 by David_Rothstein: Clarify documentation on when to use t vs format_string
Issue #1862198 by plopesc: Make it clearer where to find placeholder docs for t
Issue #1143460 by WorldFallz, Dave Reid, colette, typhonius, David_Rothstein | localhost: Fixed hook_file_download_access_alter() missing entity argument (by allowing an additional context argument to be passed to drupal_alter()).
Issue #1815930 by slashrsm, gbrands, amontero: Fixed Update watchdog message in file_unmanaged_copy() with correct string/variable replacement values.
Issue #1857956 by catch, David_Rothstein: Do not re-prepare comment update timestamp if it's the same as the created timestamp (performance improvement).
Issue #1565322 by Jorrit: Fixed Notice in locale_languages_edit_form_validate().
Issue #1870612 by David_Rothstein, plach, greggles: Add tests for SA-CORE-2012-004 - Drupal core - Arbitrary code execution via file upload.
Issue #1851788 by cck, blake.thompson: Add docs for hook_menu for expanded property
Issue #1156576 by pixelite, Ryan Weal, jhodgdon, plach, Albert Volkman: Better documentation for language negotiation
Issue #1807688 by Albert Volkman, Lars Toomre: API docs fixes for Book module
Issue #1807556 by Albert Volkman, Lars Toomre: API docs fixup for Aggregator module
Issue #1888454 by kiamlaluno: Remove irrelevant information from form_process_vertical_tabs() documentation
Issue #1317628 by Albert Volkman, Gaelan, disasm, mjonesdinero, xjm: Clean up API docs for include files n-z
Drupal 7.19
Merge branch '7.18-security' into 7.x
Issue #1875858 by j.slemmer, cck: Fix documentation for a couple of menu hooks
Issue #1894850 by ben.bunk: Fix typo in code example in drupal_prerender_links docs
Issue #1893530 by alippai: Document that bundles element is not required for one-bundle entities in hook_entity_info
Issue #1040790 by yched, swentel, geerlingguy, justin.randell, Berdir | catch: Fixed _field_info_collate_fields() memory usage.