No, that's not what Pops says. The left nybble must be a valid digit and the second nybble gives different results depending on whether it is a digit or a sign.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר ________________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of Martin Trübner <[email protected]> Sent: Tuesday, February 24, 2026 4:17 AM To: [email protected] <[email protected]> Subject: Re: ED fail to generate 0C7 External Message: Use Caution Second attempt- maybe this time readable ED checks all left nibbles for num, the right nibble is not checked, but interpreted (digit select, field separator , etc).... see POP. so 12 3A 56 7B as 4 char packed field is valid (ED does not care for single field or multiple fields). 12 A3 45 67 is not valid because the second left nibble is not numeric Martin Am 23.02.26 um 20:48 schrieb martin: > ED checks all left nibbles for num, the right nibble is not checked, but > interpreted (digit select, field separator , etc).... see POP.MartinFrom a > mobile, you can keep tpyos > -------- Ursprüngliche Nachricht ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
