I personally think that multiple terms in a keyword list is a good way
to go, but I am wondering inf a colon would be more useful as the
separator? That way, terms that naturally include comas could be grouped
as single tokens if desired:
<meta name= "dc.coverage.placename"
content= "Hull, Yorkshire, England, United Kingdom, Great Britain, UK">
would reflect a perspective that treats the name as a single entity, and
<meta name= "dc.coverage.placename"
content= "Hull: Yorkshire, England: United Kingdom: Great Britain: UK">
would reflect a slightly different organization of terms.
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