From 38c98022bf87218049afe12c7b42e79fe819d723 Mon Sep 17 00:00:00 2001 From: acidvegas Date: Sun, 12 May 2024 01:11:14 -0400 Subject: [PATCH] README formatting --- README.md | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/README.md b/README.md index 4209bab..43bb502 100644 --- a/README.md +++ b/README.md @@ -40,7 +40,7 @@ Reserved for proprietary use of the card issuer | Field Separator | one character (generally '^') | | Expiration date | four characters in the form YYMM. | | Service code | three characters | -| Discretionary data | may include Pin Verification Key Indicator (PVKI, 1 character), PIN Verification Value (PVV, 4 characters), Card Verification Value or Card Verification Code (CVV or CVC, 3 characters) | +| Discretionary data | may include Pin Verification Key Indicator *(PVKI, 1 character)*, PIN Verification Value *(PVV, 4 characters)*, Card Verification Value or Card Verification Code *(CVV or CVC, 3 characters)* | | End sentine | one character (generally '?') | | Longitudinal redundancy check (LRC) | it is one character and a validity character calculated from other data on the track | @@ -57,9 +57,9 @@ This format was developed by the banking industry *(ABA)*. This track is written | Item | Description | | ----------------------------------- | ----------- | -| Start sentinel | one character (generally ';') | -| Primary account number (PAN) | up to 19 characters. Usually, but not always, matches the credit card number printed on the front of the card. | -| Separator | one character (generally '=') | +| Start sentinel | 1 byte *(the ; character)* | +| Primary account number (PAN) | up to 19 characters *(may contain spaces sometimes)* | +| Separator | 1 byte *(the = character)* | | Expiration date | four characters in the form YYMM. | | Service code | three digits. The first digit specifies the interchange rules, the second specifies authorization processing and the third specifies the range of services | | Discretionary data | as in track one |