det_analysis:
Conjunctions such as (nondet_call(..), fail) now have a some
wrapped around them to prevent the code generator from choking
on them. Added a check to make sure that goals being negated
cannot have more than one solution.
source_starts:
Count pred declarations with :: in them as mode declarations as well.
code_gen, opt_util:
prepared then for middle_rec.
peephole, opt_debug:
old changes.
printlist.int:
shouldn't have been here in the first place.
source_stats.awk:
turned comments into awk syntax.