Combining.

and typespec*

typespec - a type specifier.

This denotes the set of all objects of the type determined by the intersection of the typespecs.

* is not permitted as an argument.

The type specifiers (and) and t are equivalent. The symbol and is not valid as a type specifier, and, specifically, it is not an abbreviation for (and).

\issue{TYPE-SPECIFIER-ABBREVIATION:X3J13-JUN90-GUESS}