Editing Plone (software) (section)

===Languages===
Plone is built on the Zope application framework and therefore is primarily written in Python but also contains large amounts of HTML and CSS, as well as JavaScript.<ref name="ohloh">{{cite web |author=Ohloh |url=http://www.ohloh.net/p/plone/analyses/latest |title=Plone : Project Summary |publisher=Ohloh |access-date=2012-10-18 |archive-date=2011-12-28 |archive-url=https://web.archive.org/web/20111228183907/http://www.ohloh.net/p/plone/analyses/latest |url-status=dead}}</ref> Plone uses [[jQuery]] as its Javascript framework<ref>{{cite web |url=http://docs.plone.org/develop/addons/javascript.html |title=Plone documentation |access-date=2015-01-02 |archive-date=2015-01-02 |archive-url=https://web.archive.org/web/20150102081343/http://docs.plone.org/develop/addons/javascript.html |url-status=dead}}</ref> in current versions, after abandoning a declarative framework for progressive enhancement called [[Kinetic Style Sheets|KSS]].<ref>{{cite web|url=https://plone.org/documentation/glossary/kss-kinetic-style-sheets |title=Kinetic Style Sheets |access-date=2015-02-01}}</ref> Plone uses an XML dialect called ZCML for configuration, as well as an XML based templating language, meaning approximately 10% of the total source code is XML based.<ref name="ohloh" />