PHASE contagion &c

[Sam S. <sd...@gn...>]

12.1.3.3 Rule of Float Substitutability
http://www.lisp.org/HyperSpec/Body/sec_12-1-3-3.html

this explicitly permits (phase 2/3) to be always 0.
same for (sin 0).

*phase-ansi* should control (phase 1.3), not (phase 7)!

-- 
Sam Steingold (http://www.podval.org/~sds) running w2k
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