[referencer] Translation and Keywords-to-Tags conversion

[John Spray]

On Sat, 2007-05-26 at 12:40 +0200, Frederik Elwert wrote:

> The keywords are space-separated. My former bibliography tool added
> keywords like that, but I had preferred comma-separated keywords...

Which tool was that?  Space-separation is very troublesome, because it
fails completely when tags have spaces in their names, which is
currently permitted in referencer.

John