default-indent-new-line
default-indent-new-line is an interactive compiled Lisp function in `simple.el
'.
(default-indent-new-line &optional SOFT)
Break line at point and indent.
If a comment syntax is defined, call `comment-indent-new-line'.
The inserted newline is marked hard if variable `use-hard-newlines' is true,
unless optional argument SOFT is non-nil.