Minor doc fix.

* calendar.texi (Displaying the Diary, Format of Diary File):
Fix external cross-references for TeX format output.

doc/emacs/ChangeLog

+2010-04-21  Glenn Morris  <rgm@gnu.org>
+
+	* calendar.texi (Displaying the Diary, Format of Diary File):
+	Fix external cross-references for TeX format output.
+
 2010-04-18  Chong Yidong  <cyd@stupidchicken.com>
 
 	* programs.texi (Semantic): New node.

doc/emacs/calendar.texi

@@ -1082,7 +1082,7 @@ of the new window shows the date of the diary entries.  Holidays are
 shown either in the buffer or in the mode line, depending on the display
 method you choose
 @iftex
-(@pxref{Diary Display,, emacs-xtra}).
+(@pxref{Diary Display,,, emacs-xtra, Specialized Emacs Features}).
 @end iftex
 @ifnottex
 (@pxref{Diary Display}).
@@ -1186,7 +1186,7 @@ punctuation).  For example:
 This entry will have a different appearance if you use the simple diary
 display
 @iftex
-(@pxref{Diary Display,, emacs-xtra}).
+(@pxref{Diary Display,,, emacs-xtra, Specialized Emacs Features}).
 @end iftex
 @ifnottex
 (@pxref{Diary Display}).