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Sam Tobin-Hochstadt 0d7111128c Refactor free variables.
- free-idxs no longer holds free de Bruijn indexes
   This information is not needed, and not stored anywhere
 - free-idxs holds free *index* variables, in the sense of the TOPLAS submission

original commit: 662f982b724e7194f5729a9894fc642f06e7910f
2010-06-21 18:30:24 -04:00
collects Refactor free variables. 2010-06-21 18:30:24 -04:00