Mapreri pointed out on IRC that there's now an HTML tag for that kind of "toggle details" views. It's in use here: https://tests.reproducible-builds.org/debian/unstable/amd64/index_pkg_sets.html
The tags are <details> and <summary>: <details> <summary>Short version</summary> Long version here </details> But while the tags exist for a while already, they are only implemented in recent versions of browsers (Firefox >= 48 notably). So it might make sense to have some javascript fallback for old browsers. see http://html5doctor.com/the-details-and-summary-elements/ and http://www.w3schools.com/tags/tag_details.asp Cheers, -- Raphaël Hertzog ◈ Debian Developer Support Debian LTS: http://www.freexian.com/services/debian-lts.html Learn to master Debian: http://debian-handbook.info/get/
