doc/misc/cl.texi: Add indexes.

* doc/misc/cl.texi (Argument Lists):
(For Clauses): Add indexes.

doc/lispref/display.texi

@@ -1243,6 +1243,7 @@ Type RET when done reading
 @node Overlays
 @section Overlays
 @cindex overlays
+@c FIXME: mention intervals in this section?
 
 You can use @dfn{overlays} to alter the appearance of a buffer's text on
 the screen, for the sake of presentation features.  An overlay is an

doc/misc/ChangeLog

+2013-08-07  Xue Fuqiao  <xfq.free@gmail.com>
+
+	* cl.texi (Argument Lists):
+	(For Clauses): Add indexes.
+
 2013-08-05  Xue Fuqiao  <xfq.free@gmail.com>
 
 	* cl.texi (Blocks and Exits): Add an index.

doc/misc/cl.texi

@@ -461,6 +461,7 @@ matter of stylistic taste:
     @var{body}))
 @end example
 
+@cindex destructuring, in argument list
 Argument lists support @dfn{destructuring}.  In Common Lisp,
 destructuring is only allowed with @code{defmacro}; this package
 allows it with @code{cl-defun} and other argument lists as well.
@@ -2140,6 +2141,7 @@ that was just set by the previous clause; in the second loop,
 based on the value of @code{x} left over from the previous time
 through the loop.
 
+@cindex destructuring, in cl-loop
 Another feature of the @code{cl-loop} macro is @emph{destructuring},
 similar in concept to the destructuring provided by @code{defmacro}
 (@pxref{Argument Lists}).