A book of utility functions residing in the package "U".
- Macro for defining simple iteration schemes as functions.
- A set of routines for parsing keyword option lists.
- A user-level function to extract guards from a definition body.
- Return a list of symbols guaranteed unique with respect to a symbolic
seed and every symbol in a list of symbols.
- Given a list of string-designators l, append the STRING of each and
intern the resulting string in the package of sym.
- Given a series of string-designators l, append the STRING of each and
return the resulting string.