Function: edit-abbrevs

Alter abbrev definitions by editing a list of them.
Selects a buffer containing a list of abbrev definitions with
point located in the abbrev table of current buffer.
You can edit them and type C-c C-c to redefine abbrevs
according to your editing.
Buffer contains a header line for each abbrev table,
which is the abbrev table name in parentheses.
This is followed by one line per abbrev in that table:
where NAME and EXPANSION are strings with quotes,
USECOUNT is an integer, and HOOK is any valid function
or may be omitted (it is usually omitted). (fn)