iframes are swallowed

Óþekktur 12 ár síðan • updated by 12 ár síðan • 1

While working at http://slidewiki.org/deck/1386#tree-1386-slide-20117-2-view , I noticed that code of the kind pasted below - containing iframes - is being swallowed.

By Treer D, Van Bocxlaer I, Matthijs S, Du Four D, Janssenswillen S, Willaert B, Bossuyt F [ CC-BY-2.5 ], via Wikimedia Commons

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What was swallowed - also in the above comment - was iframes.