The following functions deal with identifiers and the OBLIST, the structure of which is not defined. The function of the OBLIST is to provide a symbol table for identifiers created during input. Identifiers created by READ which have the same characters will therefore refer to the same object (see the EQ function in “Elementary Predicates”, section 3.1 on page 20).
***** Poorly formed atom in COMPRESS
The type mismatch error occurs if U is not a number, identifier, string, or function-pointer.
***** Too many characters to INTERN