EditIntroButton adds a button to the edit dropdown menu to allow editing an article's introduction as a section, so that edits to just the introduction do not show up as edits to the whole page. This is particularly useful for long pages, as previews and diffs are much faster when it only has to work on one section instead of the whole page.
Installation
Usage
To change the text of the button, set window.EditIntroButtonText before the import, like this:
