\f
* Changes in Emacs 21.4
+** New command `display-local-help' displays any local help at point
+in the echo area. It is bound to `C-h .'. It normally displays the
+same string that would be displayed on mouse-over using the
+`help-echo' property, but, in certain cases, it can display a more
+keyboard oriented alternative.
+
+** New user option `help-at-pt-display-when-idle' allows to
+automatically show the help provided by `display-local-help' on
+point-over, after suitable idle time. The amount of idle time is
+determined by the user option `help-at-pt-timer-delay' and defaults
+to one second. This feature is turned off by default.
+
+** New commands `scan-buf-next-region' and `scan-buf-previous-region'
+move to the start of the next (previous, respectively) region with
+non-nil help-echo property and display any help found there in the
+echo area, using `display-local-help'.
+
+++
** Help mode now only makes hyperlinks for faces when the face name is
preceded or followed by the word `face'. It no longer makes
*** Source line is temporarily highlighted when going to next match.
-*** New key bindings in grep output window:
+*** New key bindings in grep output window:
SPC and DEL scrolls window up and down. C-n and C-p moves to next and
previous match in the grep window. RET jumps to the source line of
the current match. `n' and `p' shows next and previous match in
\f
* Lisp Changes in Emacs 21.4
+** New function `get-char-property-and-overlay' accepts the same
+arguments as `get-char-property' and returns a cons whose car is the
+return value of `get-char-property' called with those arguments and
+whose cdr is the overlay in which the property was found, or nil if
+it was found as a text property or not found at all.
+
** Mouse event enhancements:
*** Mouse clicks on fringes now generates left-fringe or right-fringes
+++
*** Mouse events include relative x and y pixel coordinates relative to
-the top left corner of the object (image or character) clicked on.
+the top left corner of the object (image or character) clicked on.
*** New functions 'posn-object' and 'posn-object-x-y' return the image
or string object of a mouse click, and the x and y pixel coordinates
locally to provide Eldoc functionality by some method appropriate to
the language.
+---
** New coding system property `mime-text-unsuitable' indicates that
the coding system's `mime-charset' is not suitable for MIME text
parts, e.g. utf-16.
called to print the entries' values. It defaults to `princ'.
** defcustom and other custom declarations now use a default group
-(the last group defined in the same file) when no :group was given.
+(the last prior group defined in the same file) when no :group was given.
+++
** emacsserver now runs pre-command-hook and post-command-hook when