fix a few case simplifications which were getting InTerms and OutTerms confused
fix a few case simplifications which were getting InTerms and OutTerms confused

darcs-hash:20060411032656-1a7c6-c763060b04ec36d3914e69146915bac171247a7e

kirbyfan64/jhc,kirbyfan64/jhc,kirbyfan64/jhc,kirbyfan64/jhc