On Thu, 10 Sep 2015, Mike Stein wrote:
For a while many utility bills etc. were sent out with prepunched cards containing the customer and billing information, to be mailed back with your payment for proper allocation.
A guy that I went to school with, would always take those utility bills, and before sending them back, would punch "/*" in the first two columns.
(NOTE: we're talking 360 JCL, not C source code)
