* Lisp changes made after edition 2.6 of the Emacs Lisp Manual,
(Display-related features are described in a page of their own below.)
+** The value of the `help-echo' text property is evaluated, if it
+is not a string already, to obtain a help string.
+
** Function `make-obsolete' now has an optional arg to say when the
function was declared obsolete.
`help-echo'. This feature also applies to strings in the mode line
that have a `help-echo' property.
-The value of the `help-echo' property must be a string. For tool-bar
-items, their key definition is used to determine the help to display.
-If their definition contains a property `:help FORM', FORM is
-evaluated to determine the help string. Otherwise, the caption of the
-tool-bar item is used.
+If the value of the `help-echo' property is not a string. it is
+evaluated to obtain a help string.
+
+For tool-bar items, their key definition is used to determine the help
+to display. If their definition contains a property `:help FORM',
+FORM is evaluated to determine the help string. Otherwise, the
+caption of the tool-bar item is used.
The hook `show-help-function' can be set to a function that displays
help differently. For example, enabling a tooltip window causes the
+2000-07-14 Gerd Moellmann <gerd@gnu.org>
+
+ * xterm.c (construct_mouse_click, x_scroll_bar_to_input_event)
+ (x_scroll_bar_handle_click, SET_SAVED_MENU_EVENT, XTread_socket):
+ Always set `arg' member of input_events.
+ (construct_menu_click): Unused function removed.
+
+ * msdos.c (dos_rawgetc): Always set `arg' member of input_events.
+
+ * w32term.c (construct_mouse_click, construct_mouse_wheel)
+ (construct_drag_n_drop, x_scroll_bar_handle_click)
+ (w32_read_socket): Always set `arg' member of input_events.
+
+ * keyboard.c (show_help_echo): Use eval_form. Add comment.
+
+ * lisp.h (eval_form): Add prototype.
+
+ * xdisp.c (eval_form): Make it externally visible.
+
2000-07-13 Gerd Moellmann <gerd@gnu.org>
* xterm.c (x_handle_tool_bar_click): Store the frame in the