[PATCH 6/8] Add new gdbarch generator

[Tom Tromey]

Simon> initial_comma is unused

Tom> Fixed.

Tom> Actually, not fixed, this was intentional.  However, I'm going to
Tom> rewrite this bit of code to be less obscure.

Sigh.  I looked and all along I thought I had sent an earlier version,
before I redid this code, but it turns out I sent the better version, so
I was in facts able to just remove the parameter.  Sorry for the
confusion/noise.

Tom