chenyukang/eopl — pull request #4 by AssemblyCoffee (2014-06-13 07:10:34+00:00)
Title: fix some bugs in ch4.

There were two reference problem in ch4/base/explicit-lang.scm and ch4/base/implicit-lang.scm, and also one small bug in ch4/22.scm.I have fixed them.