ediff-toggle-read-only
ediff-toggle-read-only is an interactive compiled Lisp function in `ediff-util.el
'.
(ediff-toggle-read-only &optional BUF)
Toggle read-only in current buffer.
If buffer is under version control and locked, check it out first.
If optional argument BUF is specified, toggle read-only in that buffer instead
of the current buffer.