@c This is part of the Emacs manual.
-@c Copyright (C) 1985, 86, 87, 93, 94, 95, 1997 Free Software Foundation, Inc.
+@c Copyright (C) 1985, 86, 87, 93, 94, 95, 97, 2000
+@c Free Software Foundation, Inc.
@c See file emacs.texi for copying conditions.
@node Help, Mark, M-x, Top
@chapter Help
define other meanings for it, but they all support @key{F1}.)
Most help buffers use a special major mode, Help mode, which lets you
-scroll conveniently with @key{SPC} and @key{DEL}.
+scroll conveniently with @key{SPC} and @key{DEL}. It also offers
+hyperlinks to more help on cross-referenced names, Info nodes,
+customization buffers and the like. @xref{Help Mode}.
@menu
* Help Summary:: Brief list of all Help commands.
* Language Help:: Help relating to international language support.
* Help Mode:: Special features of Help mode and Help buffers.
* Misc Help:: Other help commands.
+* Help Echo:: Help on active text and tooltips (`balloon help')
@end menu
@iftex
around or before point, but only if that is the name of a known Lisp
variable. @xref{Variables}.@refill
+Help buffers describing variables or functions defined in Lisp
+normally have hyperlinks to their definitions using the @code{find-func}
+package if you have the Lisp source files installed. If you can read
+Lisp, this provides the ultimate documentation.
+
@node Apropos
@section Apropos
(@code{view-emacs-problems}) displays the file
@file{emacs/etc/PROBLEMS}, which lists known problems with Emacs in
various situations with solutions or workarounds in many cases.
+
+@node Help Echo
+@section Help on Active Text and Tooltips
+
+@cindex tooltips
+@cindex ballon help
+Often when a region of text is `active' so that you can select it with
+the mouse or a key like @kbd{RET}, it has associated help text. Areas
+of the mode line are examples. This help will normally be printed in
+the echo area when you move point into the active text. In a window
+system you can display the help text as `tooltips'. @xref{Tooltips}.