Variable: erc-warn-about-blank-lines
erc-warn-about-blank-lines is a customizable variable defined in
erc.el.gz.
Value
t
Documentation
Warn the user if they attempt to send a blank line.
Source Code
;; Defined in /usr/src/emacs/lisp/erc/erc.el.gz
(defcustom erc-warn-about-blank-lines t
"Warn the user if they attempt to send a blank line."
:group 'erc
:type 'boolean)