Prefer saying "Info manual" to "info page" in docs

Pointed out by Eli Zaretskii in:
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=39215#14
* doc/emacs/Makefile.in:
* doc/lispintro/Makefile.in:
* doc/lispref/Makefile.in:
* doc/misc/Makefile.in:
* lisp/dired-x.el (top-level):
* lisp/gnus/gnus-sum.el (gnus-summary-mode):
* lisp/progmodes/cperl-mode.el (cperl-info-page): Doc fix; prefer
saying "Info manual" over "info page".

Author: skangas

doc/emacs/Makefile.in

@@ -246,7 +246,7 @@ install-ps: ps
 	  ${GZIP_PROG} -9n "$(DESTDIR)$(psdir)/$${file}"; \
 	done
 
-## Top-level Makefile installs the info pages.
+## Top-level Makefile installs the Info manuals.
 install-doc: install-dvi install-html install-pdf install-ps
 
 

doc/lispintro/Makefile.in

@@ -145,7 +145,7 @@ install-ps: ps
 	  ${GZIP_PROG} -9n "$(DESTDIR)$(psdir)/$${file}"; \
 	done
 
-## Top-level Makefile installs the info pages.
+## Top-level Makefile installs the Info manuals.
 install-doc: install-dvi install-html install-pdf install-ps
 
 

doc/lispref/Makefile.in

@@ -206,7 +206,7 @@ install-ps: ps
 	  ${GZIP_PROG} -9n "$(DESTDIR)$(psdir)/$${file}"; \
 	done
 
-## Top-level Makefile installs the info pages.
+## Top-level Makefile installs the Info manuals.
 install-doc: install-dvi install-html install-pdf install-ps
 
 

doc/misc/Makefile.in

@@ -267,7 +267,7 @@ install-ps: ps
 	  ${GZIP_PROG} -9n "$(DESTDIR)$(psdir)/$${file}"; \
 	done
 
-## Top-level Makefile installs the info pages.
+## Top-level Makefile installs the Info manuals.
 install-doc: install-dvi install-html install-pdf install-ps
 
 

lisp/dired-x.el

@@ -27,15 +27,15 @@
 ;;; Commentary:
 
 ;; This is based on Sebastian Kremer's excellent dired-x.el (Dired Extra),
-;; version 1.191, adapted for GNU Emacs.  See the `dired-x' info pages.
+;; version 1.191, adapted for GNU Emacs.  See the `dired-x' Info manual.
 
 ;; At load time dired-x.el will install itself and bind some dired keys.
 ;; Some dired.el and dired-aux.el functions have extra features if
 ;; dired-x is loaded.
 
 ;; User customization: M-x customize-group RET dired-x RET.
 
-;; *Please* see the `dired-x' info pages for more details.
+;; *Please* see the `dired-x' Info manual for more details.
 
 
 ;;; Code:

lisp/gnus/gnus-sum.el

@@ -3124,7 +3124,7 @@ follow up an article, type `\\[gnus-summary-followup]'.  To mail a reply to the
 of an article, type `\\[gnus-summary-reply]'.
 
 There are approx. one gazillion commands you can execute in this
-buffer; read the info pages for more information (`\\[gnus-info-find-node]').
+buffer; read the Info manual for more information (`\\[gnus-info-find-node]').
 
 The following commands are available:
 

lisp/progmodes/cperl-mode.el

@@ -446,7 +446,7 @@ May require patched `imenu' and `imenu-go'.  Obsolete."
   :group 'cperl-help-system)
 
 (defcustom cperl-info-page "perl"
-  "Name of the info page containing perl docs.
+  "Name of the Info manual containing perl docs.
 Older version of this page was called `perl5', newer `perl'."
   :type 'string
   :group 'cperl-help-system)