touch up index entries

lispref/ChangeLog

@@ -1,3 +1,9 @@
+2007-04-08  Karl Berry  <karl@gnu.org>
+
+	* symbols.texi (Plists and Alists): Period after "vs" in index entries.
+	* macros.texi (Backquote): Downcase Backquote in index entries for
+	consistency.
+
 2007-04-08  Richard Stallman  <rms@gnu.org>
 
 	* text.texi (Adaptive Fill): Just describe default,

lispref/macros.texi

@@ -286,7 +286,7 @@ two forms yield identical results:
 @end group
 @end example
 
-@findex , @r{(with Backquote)}
+@findex , @r{(with backquote)}
 The special marker @samp{,} inside of the argument to backquote
 indicates a value that isn't constant.  Backquote evaluates the
 argument of @samp{,} and puts the value in the list structure:
@@ -318,7 +318,7 @@ structure also.  For example:
 @end group
 @end example
 
-@findex ,@@ @r{(with Backquote)}
+@findex ,@@ @r{(with backquote)}
 @cindex splicing (with backquote)
   You can also @dfn{splice} an evaluated value into the resulting list,
 using the special marker @samp{,@@}.  The elements of the spliced list

lispref/symbols.texi

@@ -436,8 +436,8 @@ names, and the other two elements are the corresponding values.
 
 @node Plists and Alists
 @subsection Property Lists and Association Lists
-@cindex plist vs alist
-@cindex alist vs plist
+@cindex plist vs. alist
+@cindex alist vs. plist
 
 @cindex property lists vs association lists
   Association lists (@pxref{Association Lists}) are very similar to