UPC: Difference between revisions

m
added two commas.
m (added ;Goal:, ;Task;, ;Sample input:, ;Verification; section headers, split the UPC-A bar code structure into separate bullet points, added whitespace.)
m (added two commas.)
Line 62:
::*   then has the six "right hand digits",
::*   then has another   ''' # # '''   (end sequence),   and finally,
::*   then ends with nine trailing spaces   (which might be eaten by wiki edits, and in any event, were not quite captured correctly by our imaginary bar code reader).