2.34: Added legal gdpr/dsgvo info
2.33: Iconfont a11y fix (yellowled)

2.32: Remove s9y 2.0+ inline style for the fieldset

2.31:

    * Better recognize $serendipity['dbType'] query check for all supported
      postgres and all sqlite versions
    * Set strip_langs() method static

2.30 & 1.15 (sidebar): Fix Invalid argument supplied for foreach() error in
                      case the $serendipity['languages'] array is missing
                      (i.e. by emerge.sh call)

2.29 & 1.14 (sidebar): Fix config sidebar selected langs on save

2.28: Extend RSS blog title and description for lang strip

2.27: Extend blogTitle and description lang strip in the genpage hook (fixes
      the email subject inclusion for example)

2.26:

    * Fix possible missing Smarty object init
    * Add blogDescription tagged translations to 2.25

2.25:

    * Fix "Select language" displaying entries false same "<lang>, <lang>" links
    * This also fixes the "Force full language" switch
    * Fix blogTitle tagged translations for /archive page
    * Fix blogTitle tagged translations for backend

2.24: Allow PCRE_DOTALL /s modifier, in case the |multilingual_lang Smarty
      modifier replacement is used for content body textarea fields having
      newlines.

2.23 & 1.13 (sidebar):

    * Load langs by lang API method - requires S9y 1.6+
    * Fix some plugin inconsistencies
    * Append the CSS if not already used by theme

2.22: Fix missing Smarty template vars when initiating in genpage

2.21: Fix backend form lang selected entry

2.20, 1.12:

    * Minor preparations for the Serendipity 2.0 Backend
    * Fix missing Smarty object init
    * Fix Smarty modifier "multilingual_lang" method name
    * Fix constant PLUGIN_EVENT_MULTILINGUAL_LANGSWITCH define(s)
    * Added more usage documentary
    * Added htaccess file for documentation file readability
    * Added a new OK Constant for the backend entry language switch.
      This needs a change in backend templates 2k11/admin/entries.inc.tpl
      file with 2.0.2+. Watch out for current or upcoming changes in
      github.com/s9y/Serendipity/commits/2.0/templates/2k11/admin/entries.inc.tpl
    * Check and error a missing entryproperties database table index
      and fix a wrong set config value
    * Fix the force "langswitch" variable option to properly work on click,
      as long as the Browsers SESSION holds
    * Posted sidebar lang selection influences backend lang ... document
      dependencies
    * Fix 'enry_title' Smarty var not using translation with Smarty3 versions in
     non-tag mode and option "Tag translation of the blog title" set true. We
     need to declare this option valid for banner title translations in non-tag
     mode too!

2.15: Added new "langswitch" variable to allow users forcing to switch the
      frontend language based on the content language

2.14:

    * Added genpage event hook so that blogTitle/Description gets replaced in
      other instances where entries are not fetched (i.e. 'archives')
    * sidebar 1.11: Use proper "current url", thanks to timbalu

2.13: Add smarty modifier "multilingual_lang" that you can use like
      {$entry_category.category_name|@multilingual_lang|@escape} in templates,
      to replace possible {{...}} language variants. Also, by default parse
      such language constructs in the category name.

2.11, 2.12:

    * Patch to save drafts properly, by Martin Matuska, Bug #3047591
    * Patch to properly detect current language, by Martin Matuska, Bug #3047600

2.10: Allow to replace category names/descriptions for the header display

2.9: Completely replace the broken regexp to use subparts now.

2.8: Another regexp for replacements, look-behind and look-ahead.

2.7: Better regexp for replacements

2.6: Fix a PHP error notice

2.5: Allow for tagged translations, see documentation. By praabjerg