A).
Character folding is enabled by customizing 'search-default-mode' to
-the value 'character-fold-to-regexp'. You can also toggle character
+the value 'char-fold-to-regexp'. You can also toggle character
folding in the middle of a search by typing 'M-s ''.
'query-replace' honors character folding if the new variable
-'replace-character-fold' is customized to a non-nil value.
+'replace-char-fold' is customized to a non-nil value.
+++
*** New user option 'search-default-mode'.
as in previous Emacs versions).
+++
-*** New function 'character-fold-to-regexp' can be used
+*** New function 'char-fold-to-regexp' can be used
by searching commands to produce a regexp matching anything that
-character-folds into STRING.
+char-folds into STRING.
+++
*** The new 'M-s M-w' key binding uses eww to search the web for the
process filter, sentinel, etc., through keyword arguments (similar to
'make-network-process').
++++
+** Subprocesses are automatically told about changes in window dimensions.
+The new option 'window-adjust-process-window-size-function' controls
+how subprocesses are told to adapt their logical window sizes to
+changes in the Emacs window configuration. Its default value calls
+'set-process-window-size' with the smallest dimensions of all the
+windows that display the subprocess's buffer.
+
+++
** A new function 'directory-files-recursively' returns all matching
files (recursively) under a directory.