erc-parse-modes
erc-parse-modes is a compiled Lisp function in `erc.el
'.
(erc-parse-modes MODE-STRING)
Parse MODE-STRING into a list.
Returns a list of three elements:
(ADD-MODES REMOVE-MODES ARG-MODES).
The add-modes and remove-modes are lists of single-character strings
for modes without parameters to add and remove respectively. The
arg-modes is a list of triples of the form:
(MODE-CHAR ON/OFF ARGUMENT).