Underscores and dashes are fine, but I would think that colons (:) are verboten.
François On Jun 4, 2011, at 9:49 PM, Jamie Johnson wrote: > Is there a list anywhere detailing field name restrictions. I imagine > fields containing periods (.) are problematic if you try to use that field > when doing faceted queries, but are there any others? Are underscores (_) > or dashes (-) ok?