Function: hbut:help
hbut:help is a function alias for hbut:report, defined in hbut.el.
Signature
(hbut:help &optional ARG)
Documentation
Pretty print the attributes of a button or buttons.
Takes an optional ARG interpreted as follows:
a button symbol - report on that button;
nil - report on button at point, if any;
integer > 0 - report on all explicit buttons in buffer,
in lexicographical order;
integer < 1 - report on all explicit buttons in buffer,
in occurrence order.
Return number of buttons reported on or nil if none.