Hey Carol!

 CS> The 72 is a hold over from punch card days.  Leaves end space for
 CS> control characters.

I'll have to take your word on that.  Last I heard from way-back-when it was teletype's fault.  I refuse to vouch for the accuracy of way-back-when especially when it involves memory these days as the old grey brain just ain't like she used to be.

A reference would be nice.  :-)

Life is good,
Maurice

... GԬ a wyrd swa hio scel.
    Fate ever goes as it must.
--- GNU bash, version 5.1.16(1)-release (x86_64-moosile-linux-gnu)