Eek, Shawn, you're right -- I'm sorry, all! I meant to say the the QF (!)
parameter. And pasted the wrong thing too ☹ This is what ours looks like with
the qf parameter (and the edismax parser)
title_en^1.5 description_en^0.5 content_en^0.5 headings_en^1.3
keywords_en^1.5 url^0
I think you actually can search over all fields, but not in the df parameter.
We have a big list of fields we want to search over. So, we just put a dummy
one in the df param field, and then we use the fl parameter. With the edismax
parser, this works. It looks something like this: