Trying FastFox on Mac OS 10.12.6, Sierra.
"=jb" for Joe Blow works, but "=ac" for my full name does not ???? Tried both Simple & Rich text.
"=ad" or "=add" for my address also do not work.
Maybe shortcut can NOT contain a "=a" ???? Seems "=ba", "=da", "=na" are bad too. Same for starting with "/" instead of "="
"=me" does work for my name, and "=em" does work for my email.
All quite frustrating