The assembler errors give the absolute source line number in the input file. They are unambiguous.
Charles -----Original Message----- From: IBM Mainframe Assembler List [mailto:[email protected]] On Behalf Of Seymour J Metz Sent: Monday, December 11, 2017 12:08 PM To: [email protected] Subject: Re: Any real need for sequence numbers in 73-80 any more? Sequence numbers are useful even if you've never even seen a picture of a Hollerith card. They are convenient for editing, and assembler error messages with sequence numbers make it much easier to fix errors.
