bug#16248: 24.3.50; [PATCH] rename Command Index to Command and Function Index

[Jarek Czekalski <jarekczek@poczta.onet.pl>]

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Since this index has header Command and Function Index
I think the node should also have this name. Otherwise
users may think that there is no function index at all.
That's the impression one has when looking at the Indexes
part in the main Emacs info page.


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=== modified file 'doc/emacs/ChangeLog'
*** doc/emacs/ChangeLog	2013-12-23 13:17:59 +0000
--- doc/emacs/ChangeLog	2013-12-24 23:18:23 +0000
***************
*** 1,3 ****
--- 1,7 ----
+ 2013-12-23  Jarek Czekalski  <jarekczek@poczta.onet.pl>
+ 
+ 	* emacs.texi Rename Command Index to Command and Function Index.
+ 
  2013-12-23  Xue Fuqiao  <xfq.free@gmail.com>
  
  	* regs.texi (Bookmarks): Document `bookmark-default-file'.

=== modified file 'doc/emacs/emacs.texi'
*** doc/emacs/emacs.texi	2013-12-22 02:55:43 +0000
--- doc/emacs/emacs.texi	2013-12-24 23:18:23 +0000
*************** Appendices
*** 233,239 ****
  Indexes (each index contains a large menu)
  * Key Index::           An item for each standard Emacs key sequence.
  * Option Index::        An item for every command-line option.
! * Command Index::       An item for each command name.
  * Variable Index::      An item for each documented variable.
  * Concept Index::       An item for each concept.
  
--- 233,240 ----
  Indexes (each index contains a large menu)
  * Key Index::           An item for each standard Emacs key sequence.
  * Option Index::        An item for every command-line option.
! * Command and Function Index:: An item for each command or
!                         documented function name.
  * Variable Index::      An item for each documented variable.
  * Concept Index::       An item for each concept.
  
*************** Lisp programming.
*** 1582,1588 ****
  @printindex op
  @end ifnottex
  
! @node Command Index
  @unnumbered Command and Function Index
  @printindex fn
  
--- 1583,1589 ----
  @printindex op
  @end ifnottex
  
! @node Command and Function Index
  @unnumbered Command and Function Index
  @printindex fn
  

=== modified file 'lisp/info-look.el'
*** lisp/info-look.el	2013-04-22 14:41:32 +0000
--- lisp/info-look.el	2013-12-24 23:18:23 +0000
*************** Return nil if there is nothing appropria
*** 892,898 ****
   :regexp "[^][()`',\" \t\n]+"
   :doc-spec '(;; Commands with key sequences appear in nodes as `foo' and
               ;; those without as `M-x foo'.
!              ("(emacs)Command Index"  nil "`\\(M-x[ \t\n]+\\)?" "'")
               ;; Variables normally appear in nodes as just `foo'.
               ("(emacs)Variable Index" nil "`" "'")
               ;; Almost all functions, variables, etc appear in nodes as
--- 892,899 ----
   :regexp "[^][()`',\" \t\n]+"
   :doc-spec '(;; Commands with key sequences appear in nodes as `foo' and
               ;; those without as `M-x foo'.
!              ("(emacs)Command and Function Index"  nil
!                "`\\(M-x[ \t\n]+\\)?" "'")
               ;; Variables normally appear in nodes as just `foo'.
               ("(emacs)Variable Index" nil "`" "'")
               ;; Almost all functions, variables, etc appear in nodes as