[plt-scheme] 370.4

From: Matthew Flatt (mflatt at cs.utah.edu)
Date: Wed Jun 20 17:15:46 EDT 2007

MzScheme and MrEd are now version 370.4 in the SVN repository trunk.

The changes are small:

 * Added `read-accept-infix-dot', which DrScheme's R5RS language now
   sets to #f.

 * Added `make-derived-parameter', which creates a new parameter
   procedure for an existing parameter, with an extra guard layer for
   the new procedure. (This is useful for contracts on parameter


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