mail-abbrev-expand-hook

mail-abbrev-expand-hook is a compiled Lisp function in `mailabbrev.el'.

(mail-abbrev-expand-hook)

For use as the fourth arg to `define-abbrev'.
After expanding a mail-abbrev, if Auto Fill mode is on and we're past the
fill-column, break the line at the previous comma, and indent the next line
with a space.