Variable: erc-insert-pre-hook
erc-insert-pre-hook is a customizable variable defined in erc.el.gz.
Value
nil
Documentation
Hook called first when some text is inserted through erc-display-line.
It gets called with one argument, STRING.
To be able to modify the inserted text, use erc-insert-modify-hook instead.
Filtering functions can set erc-insert-this to nil to avoid
display of that particular string at all.
Source Code
;; Defined in /usr/src/emacs/lisp/erc/erc.el.gz
(defcustom erc-insert-pre-hook nil
"Hook called first when some text is inserted through `erc-display-line'.
It gets called with one argument, STRING.
To be able to modify the inserted text, use `erc-insert-modify-hook' instead.
Filtering functions can set `erc-insert-this' to nil to avoid
display of that particular string at all."
:group 'erc-hooks
:type 'hook)