Improve indexing.

doc/lispref/ChangeLog

 2013-11-05  Xue Fuqiao  <xfq.free@gmail.com>
 
+	* lists.texi (Rearrangement): Improve indexing.
+
 	* display.texi (Glyphs): Add an index for glyph code.
-	(Bidirectional Display): Add an index for UBA.
+	(Bidirectional Display): Improve indexing.
 
 2013-11-01  Jan Djärv  <jan.h.d@swipnet.se>
 

doc/lispref/display.texi

@@ -6390,6 +6390,7 @@ and displaying bidirectional text.
 @cindex unicode bidirectional algorithm
 @cindex UBA
 @cindex bidirectional reordering
+@cindex reordering, in bidi
   Text is stored in Emacs buffers and strings in @dfn{logical} (or
 @dfn{reading}) order, i.e., the order in which a human would read
 each character.  In right-to-left and bidirectional text, the order in

doc/lispref/lists.texi

@@ -1044,6 +1044,7 @@ x1
 @node Rearrangement
 @subsection Functions that Rearrange Lists
 @cindex rearrangement of lists
+@cindex reordering, in lists
 @cindex modification of lists
 
   Here are some functions that rearrange lists ``destructively'' by