Text merge with copies and envelopes

Abstract From the Canadian patent

Abstract of the Disclosure Disclosed is a system and method for interleaved printing of letters and envelopes in an unattended manner. The system includes a memory for storing in a first portion thereof, text codes and control codes corresponding to the constant text of a form letter and envelope to be printed. As required one or more blocks of variable data are written into the memory succeeding the form letter and envelope. The system is operative to output the contents of the memory to a printer while merging the variable data with the form letter and the envelope for a completed letter followed by the envelope. Logic is provided to utilize a selected field of a record of variable data …