* doc/lispref/help.texi (Keys in Documentation): Revert last change.

doc/lispref/ChangeLog

+2011-07-15  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* help.texi (Keys in Documentation): Revert last change.
+
 2011-07-15  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
 	* help.texi (Keys in Documentation): Clarify that \= only quotes

doc/lispref/help.texi

@@ -324,8 +324,9 @@ specifies @var{mapvar}'s value as the keymap for any following
 @samp{\[@var{command}]} sequences in this documentation string.
 
 @item \=
-quotes the following character and is discarded; thus, @samp{\=\} puts
-@samp{\} into the output.
+quotes the following character and is discarded; thus, @samp{\=\[} puts
+@samp{\[} into the output, and @samp{\=\=} puts @samp{\=} into the
+output.
 @end table
 
 @strong{Please note:} Each @samp{\} must be doubled when written in a