In article , I wrote:
Is that right? If so, what's a slip?

A connection from top-left to top-right (or bottom-left to
bottom-right) of a diamond, with one rail of the connection going
within the diamond. A double-slip involves both.

Once Fotopic stops acting strangely,
http://davros.fotopic.net/p14923871.html
should allow you to see a double-slip (one with a switch diamond).

--
Clive D.W. Feather | Home:
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