I'd love to add a "strikeout text" button to the text editing format toolbar. I found this: http://www.mediawiki.org/wiki/User:Robchurch/Extra_toolbar_buttons (see below *) (And this: http://commons.wikimedia.org/wiki/Mediawiki_edit_toolbar ) But can't see how to implement it - does it require an extension, or where would the code go, or is it experimental and non-functional? Any clues to this or other solutions? Help? Thanks. === * Quoted from above: ....[snip]... function addCustomButton(imageFile, speedTip, tagOpen, tagClose, sampleText, imageId) { mwCustomEditButtons[mwCustomEditButtons.length] = {"imageId": imageId, "imageFile": imageFile, "speedTip": speedTip, "tagOpen": tagOpen, "tagClose": tagClose, "sampleText": sampleText}; } ....[snip]... addCustomButton('http://upload.wikimedia.org/wikipedia/commons/c/c9/Butt on_strike.png','Rayer','<s>','</s>',''); ....[snip]... /*