**Background**
This feature is part of the WMDE TechWish project "Making working with templates easier". It is specifically about improving template syntax and the ability to create and maintain templates. It will be implemented as a part of the syntax highlighter of the CodeMirror extension.
**Requirements**
[] Enable line numbering in both 2010 and 2017 wikitext editors in the syntax highlighter (CodeMirror extension)
[] In the 2017 wikitext editor, update styling to remove the background gray
[] Fix styling issues in 2017 wikitext editor (check implementation on test instance, see https://gitlab.com/wmde/mediawiki-extensions-CodeMirror/-/commit/7b4ad47e9c1cc8ca2cd02d4e7b9934b1eec61f24)
{F33915467}
**Implementation plan**
[] investigate options to implement behind a feature flag
[] Enable in syntax highlighter by default
Small default wikis:
- dewiki
- ... TBD
Release schedule is still TBD.