Elizabeth Shea

Brainstorming, testing, coding of the conditional expression parser, coding of the ‘with arguments’ and ‘with parameters’ clauses of the SCRIPT metacommand, coding of the WHILE and UNTIL clauses of the EXECUTE SCRIPT metacommand, coding of deferred variable substitution, corrections to the PROMPT ENTRY_FORM metacommand, examples, implementation of the “+” prefix for substitution variables, and other minor corrections.