Function: map-ibut
map-ibut is a function alias for ibut:map, defined in hbut.el.
Signature
(map-ibut BUT-FUNC &optional REGEXP-MATCH INCLUDE-DELIMS)
Documentation
Apply BUT-FUNC to the visible, named implicit buttons.
If REGEXP-MATCH is non-nil, only buttons which match this argument are considered.
BUT-FUNC must take precisely three arguments: the button name, the start position of the delimited button name and its end position (positions include delimiters when INCLUDE-DELIMS is non-nil).