Overview

UPC-E is a shortened form of UPC-A holding less data.

Invoking

• The data field takes either 7 or 8 digits, optionally follow by a space then 2 or 5 digit if an addon is required.
  
• If 7 digits of primary data are supplied then the 8th checkdigit is calculated automatically, otherwise the digits are encoded as supplied.
• The includetext option should normally be supplied.

Example

0 0 moveto (0123456) (includetext) upce