- C-h w and C-h f new-kill-line reports:
new-kill-line is on C-k
++++
+** Vertical scrolling is now possible within incremental search.
+To enable this feature, customize the new user option
+`isearch-allow-scroll'. User written commands which satisfy stringent
+constraints can be marked as "scrolling commands". See the Emacs manual
+for details.
+
+++
** C-w in incremental search now grabs either a character or a word,
making the decision in a heuristic way. This new job is done by the
command `isearch-yank-word-or-char'. To restore the old behavior,
bind C-w to `isearch-yank-word' in `isearch-mode-map'.
++++
+** C-y in incremental search now grabs the next line if point is already
+at the end of a line.
+
+++
** C-M-w deletes and C-M-y grabs a character in isearch mode.
Another method to grab a character is to enter the minibuffer by `M-e'