<div dir="ltr">Seems like it should actually be https all the time. The disadvantage of '//' is that it won't work in a static html export, where it could point to file://<a href="http://youtube.com">youtube.com</a>.<div>

<br></div><div>-MinRK<br><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jan 28, 2014 at 1:50 AM, Harald Schilly <span dir="ltr"><<a href="mailto:harald.schilly@gmail.com" target="_blank">harald.schilly@gmail.com</a>></span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">On Tue, Jan 28, 2014 at 6:46 AM, William Stein <<a href="mailto:wstein@gmail.com">wstein@gmail.com</a>> wrote:<br>


>   Instead, what IPython needs to do is output<br>
><br>
> <iframe width="400" height="300;"<br>
> src="<a href="https://www.youtube.com/embed/YyEReiAYGlU" target="_blank">https://www.youtube.com/embed/YyEReiAYGlU</a>" frameborder="0"<br>
> allowfullscreen=""></iframe><br>
<br>
<br>
</div>Err sorry, I thought it is obvious. what it should do is what the OP<br>
posted in the first email!<br>
<br>
<a href="https://groups.google.com/d/msg/sage-cloud/NotysYVKjrw/CXoQiDk-B1oJ" target="_blank">https://groups.google.com/d/msg/sage-cloud/NotysYVKjrw/CXoQiDk-B1oJ</a><br>
<br>
i.e.<br>
src="//<a href="http://www.youtube.com/embed/YyEReiAYGlU" target="_blank">www.youtube.com/embed/YyEReiAYGlU</a>"<br>
<br>
double "//" in the beginning!<br>
<span class="HOEnZb"><font color="#888888"><br>
Harald<br>
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</div></div></blockquote></div><br></div></div></div>