Issue #1103938 by kiamlaluno, jhodgdon, jeffschuler: fix misues of @name in various include files and document theme.inc constants better

#931304 by subnet_rx, webkenny: backport support for newly popular tel: protocol in filter_xss_bad_protocols()

#133188 by Behrang, John Morahan, frega: Line break converter can result in empty node display due to PCRE limits

#222926 by deviantintegral, sun, jcnventura, tic2000, jenlampton, smk-ka: htmlcorrector filter escapes HTML comments

#722190 by bjaspan: avoid infite recursion in filter_list_format() even if the database has broken data under Drupal

#212236 by wrwrwr: move empty paragraph handling to after other paragraph operations are done in _filter_autop()

#359276 by lyricnz, Heine, Frando: Fix named entity handling in filter_xss(), so it does not clash with other entities and result in wrong encoding

follow up to #280621 by lilou: the object tag was disallowed in a previous version in filter_xss_admin(), so disallow param as well, which is only meaningful inside an object tag

#214516 by mfb: Add the Real Time Streaming Protocol (RTSP) to the allowed protocol list in filter_xss_bad_protocol().

#194579 patch by pwolanin: clear filter cache when allowed HTML tags configuration changes in an input format

#189879 by keith.smith: filter module help text cleanup, better for translators with more concentrated explanations

- Patch #164532 by catch, pwolanin, David Strauss, et al.: improve table indicies for common queries.

#197425 by mooffie, slightly modified: add blockquote support by default and blockquote theming to Garland and Bluemarine (other themes have it already)

#200069 by keith.smith: new standard for 'more information' links in module help texts, as the handbook we referred to before was renamed

 - whitespaces at end of lines
 - indentation
 - control structure usage
 - whitespace in empty lines
 - phpdoc comment formatting