Contact field for workshops is a list now (rather than a single value) #1191
Contact field for workshops is a list now (rather than a single value) in workshop template so this needs to be supported in AMY too. Values get concatenated without a space, a comma or other separator when updating workshop data from a URL. For example see workshop with slug: 2017-06-21-qmul.
The cause of the problem is in the workshop template, not AMY. When generating
<meta name="contact" content="firstname.lastname@example.org@manchester.ac.uk" />
I believe we can still represent