User:DWalden (WMF)/Code Mirror


 * 1) Go to Special:Preferences (e.g. https://en.wikipedia.beta.wmflabs.org/wiki/Special:Preferences)
 * 2) Click "Editing" Special-Preferences editing tab.png
 * 3) In the dropdown labelled "Editing mode" select "Show me both editor tabs" and Save Special-Preferences editor mode select dropdown.png
 * 4) Go to the article you want to test and click "Edit source" Selecting source editor in an article.png
 * 5) In the source editor, click the "Syntax highlighting" button to enable Code Mirror Button to enable Code Mirror.png