Erases the procedures, variables, and property lists named in
Once erased, the named things cannot be called or referenced.
Primitive procedures are not erased unless the variable REDEFP has the value TRUE.
ERASE does not throw an error if it is asked to erase a procedure, variable, or property list that is not in the workspace. However, ERASE does throw an error when it is asked to erase a primitive when REDEFP either has not been set, or is FALSE.
See the Workspace Queries section for an explanation of the formats of
TO FOO PRINT "hello END FOOhello
ERASE "FOO FOOI don't know how to FOO