commit 8524eb26dc50ccb5b3553a6bc3241bd46871d7dd
Author: Jan Dankert 
Date:   Sat Nov 27 00:11:56 2021 +0100

    New: History for files and templates.

 modules/cms/action/PageelementAction.class.php     |   5 +-
 .../cms/action/file/FileHistoryAction.class.php    |  44 ++++++++
 .../cms/action/image/ImageHistoryAction.class.php  |  44 ++++++++
 .../PageelementAdvancedAction.class.php            |   2 +-
 .../pageelement/PageelementEditAction.class.php    |   2 +-
 .../pageelement/PageelementHistoryAction.class.php |  28 ++---
 .../template/TemplateHistoryAction.class.php       |  61 +++++++++++
 .../cms/action/text/TextHistoryAction.class.php    |  45 ++++++++
 modules/cms/model/TemplateModel.class.php          |   7 ++
 modules/cms/model/Value.class.php                  |   2 +-
 .../ui/themes/default/html/views/file/history.php  | 114 ++++++++++++++++++++
 .../default/html/views/file/history.tpl.src.xml    |  99 +++++++++++++++++
 .../ui/themes/default/html/views/image/history.php | 114 ++++++++++++++++++++
 .../default/html/views/image/history.tpl.src.xml   | 100 +++++++++++++++++
 .../ui/themes/default/html/views/template/diff.php |  59 +++++++++++
 .../default/html/views/template/diff.tpl.src.xml   |  52 +++++++++
 .../themes/default/html/views/template/history.php | 116 ++++++++++++++++++++
 .../html/views/template/history.tpl.src.xml        | 102 ++++++++++++++++++
 .../cms/ui/themes/default/html/views/text/diff.php |  59 +++++++++++
 .../default/html/views/text/diff.tpl.src.xml       |  52 +++++++++
 .../ui/themes/default/html/views/text/history.php  | 118 +++++++++++++++++++++
 .../default/html/views/text/history.tpl.src.xml    | 103 ++++++++++++++++++
 22 files changed, 1303 insertions(+), 25 deletions(-)