2000-08-24  Keisuke Nishida  <kxn30@po.cwru.edu>

	* src/vm.c (lookup_variable): New function.
	(scm_make_bytecode): Call lookup_variable for top-level variables.
	* src/vm_engine.h (VM_VARIABLE_REF, VM_VARIABLE_SET): New macros.
	* src/vm_system.c (TOPLEVEL_VAR, TOPLEVEL_VAR_SET): Removed.
	Use VM_VARIABLE_REF and VM_VARIABLE_SET instead.

2000-08-22  Keisuke Nishida  <kxn30@po.cwru.edu>

	* src/vm.c, src/vm.h, src/vm_engine.c, src/vm_engine.h,
	src/vm_system.c: Create external frames dynamically.
	* vm/shell.scm: Use frame-external-link.

	* vm/compile.scm (compile-file): Output "(use-modules (vm vm))".

	* vm/types.scm (make-code): Check argument types.
	(make-code:and, make-code:or): Pass env to make-code.

	* vm/bytecomp.scm (translate-and, translate-or): Don't branch on
	the last expression.

2000-08-20  Keisuke Nishida  <kxn30@po.cwru.edu>

	* Version 0.2 is released.

2000-08-12  Keisuke Nishida  <kxn30@po.cwru.edu>

	* Version 0.1 is released.

2000-07-29  Keisuke Nishida  <kxn30@po.cwru.edu>

	* Version 0.0 is released.