As follow up to T254946: HTML escaping bug in RevisionSlider tutorial we should remove the HTML in the tutorial message and use linebreaks and wikitext parsing instead.
- Change the message as follows.
- Make sure it looks the same as before (see the screenshot below for reference). If the resulting HTML uses <p> or <br><br> doesn't matter.
<p>To compare certain revisions, select the revisions using the two colored knobs.</p><p>The upper knob controls the newer revision, the lower knob maps to the older revision.</p><p>Move the knobs by drag and drop or clicking on the slider line.</p>
To compare certain revisions, select the revisions using the two colored knobs.\n\nThe upper knob controls the newer revision, the lower knob maps to the older revision.\n\nMove the knobs by drag and drop or clicking on the slider line.