No open bugs for app-office/sc-7.16-r1 for over a month, and little was changed between the original and -r1. Works much better (that is, at all) than 7.16. I've been using it (albeit non-intensively) on x86 without problem since its inclusion into the tree.
amd64 stable, previous version does not seem to work properly. For example, # sc /usr/lib64/sc/tutorial.sc works on 7.16-r1 but not -r0.
Yep, that's due to bug # 143272. Perhaps 7.16-r0 should be marked ~?
Sparc stable. Nice little program, looks good here.
ppc stable
x86 also stable. Closing.