Backport commit 96794d2 from Emacs master branch

Don't quote nil and t in doc strings
96794d2f97cd064e4c2bf4f71459b42558cc8c79
Paul Eggert
Thu May 21 10:06:44 2015 -0700

lisp/ob-ruby.el

@@ -58,7 +58,7 @@
   :type 'string)
 
 (defcustom org-babel-ruby-nil-to 'hline
-  "Replace 'nil' in ruby tables with this before returning."
+  "Replace nil in ruby tables with this before returning."
   :group 'org-babel
   :version "24.4"
   :package-version '(Org . "8.0")

lisp/org-agenda.el

@@ -6643,7 +6643,7 @@ The modified list may contain inherited tags, and tags matched by
 
 LIST is the list of agenda items formatted by `org-agenda-list'.
 NDAYS is the span of the current agenda view.
-TODAYP is `t' when the current agenda view is on today."
+TODAYP is t when the current agenda view is on today."
   (catch 'exit
     (cond ((not org-agenda-use-time-grid) (throw 'exit list))
 	  ((and todayp (member 'today (car org-agenda-time-grid))))

lisp/org-capture.el

@@ -201,7 +201,7 @@ properties are:
 
  :clock-resume       Start the interrupted clock when finishing the capture.
                      Note that :clock-keep has precedence over :clock-resume.
-                     When setting both to `t', the current clock will run and
+                     When setting both to t, the current clock will run and
                      the previous one will not be resumed.
 
  :unnarrowed         Do not narrow the target buffer, simply show the

lisp/org-gnus.el

@@ -60,7 +60,7 @@ Normally, this translation is done by querying the IMAP server,
 which is usually very fast.  Unfortunately, some (maybe badly
 configured) IMAP servers don't support this operation quickly.
 So if following a link to a Gnus article takes ages, try setting
-this variable to `t'."
+this variable to t."
   :group 'org-link-store
   :version "24.1"
   :type 'boolean)

lisp/org-macs.el

@@ -55,7 +55,7 @@
      ,@body))
 
 (defmacro org-called-interactively-p (&optional kind)
-  (declare (debug (&optional ("quote" symbolp)))) ;Why not just `t'?
+  (declare (debug (&optional ("quote" symbolp)))) ;Why not just t?
   (if (featurep 'xemacs)
       `(interactive-p)
     (if (or (> emacs-major-version 23)

lisp/org-protocol.el

@@ -561,7 +561,7 @@ as filename."
         (let ((fname  (expand-file-name (car var))))
           (setq fname (org-protocol-check-filename-for-protocol
 		       fname (member var flist)  client))
-          (if (eq fname t) ;; greedy? We need the `t' return value.
+          (if (eq fname t) ;; greedy? We need the t return value.
               (progn
                 (ad-set-arg 0 nil)
                 (throw 'greedy t))

lisp/org.el

@@ -595,7 +595,7 @@ XEmacs user should have this variable set to nil, because
 (defcustom org-loop-over-headlines-in-active-region nil
   "Shall some commands act upon headlines in the active region?
 
-When set to `t', some commands will be performed in all headlines
+When set to t, some commands will be performed in all headlines
 within the active region.
 
 When set to `start-level', some commands will be performed in all
@@ -1575,7 +1575,7 @@ See the manual for examples."
   "Non-nil means Org will display descriptive links.
 E.g. [[http://orgmode.org][Org website]] will be displayed as
 \"Org Website\", hiding the link itself and just displaying its
-description.  When set to `nil', Org will display the full links
+description.  When set to nil, Org will display the full links
 literally.
 
 You can interactively set the value of this variable by calling
@@ -11562,7 +11562,7 @@ go to the location where the last refiling operation has put the subtree.
 With a numeric prefix argument of `2', refile to the running clock.
 
 With a numeric prefix argument of `3', emulate `org-refile-keep'
-being set to `t' and copy to the target location, don't move it.
+being set to t and copy to the target location, don't move it.
 Beware that keeping refiled entries may result in duplicated ID
 properties.
 
@@ -15545,7 +15545,7 @@ and the new value.")
 
 (defun org-entry-put (pom property value)
   "Set PROPERTY to VALUE for entry at point-or-marker POM.
-If the value is `nil', it is converted to the empty string.
+If the value is nil, it is converted to the empty string.
 If it is not a string, an error is raised."
   (cond ((null value) (setq value ""))
 	((not (stringp value))
@@ -17759,7 +17759,7 @@ If no number is found, the return value is 0."
 (defcustom org-image-actual-width t
   "Should we use the actual width of images when inlining them?
 
-When set to `t', always use the image width.
+When set to t, always use the image width.
 
 When set to a number, use imagemagick (when available) to set
 the image's width to this value.
@@ -17786,7 +17786,7 @@ This requires Emacs >= 24.1, build with imagemagick support."
 
 (defcustom org-agenda-inhibit-startup nil
   "Inhibit startup when preparing agenda buffers.
-When this variable is `t', the initialization of the Org agenda
+When this variable is t, the initialization of the Org agenda
 buffers is inhibited: e.g. the visibility state is not set, the
 tables are not re-aligned, etc."
   :type 'boolean

lisp/ox-odt.el

@@ -847,7 +847,7 @@ TABLE-CELL-STYLE-SELECTOR := `use-first-row-styles'       |
                              `use-banding-rows-styles'    |
                              `use-banding-columns-styles' |
                              `use-first-row-styles'
-ON-OR-OFF                 := `t' | `nil'
+ON-OR-OFF                 := t | nil
 
 For example, with the following configuration
 
@@ -3261,7 +3261,7 @@ contextual information."
   "Retrieve styles applicable to a table cell.
 R and C are (zero-based) row and column numbers of the table
 cell.  STYLE-SPEC is an entry in `org-odt-table-styles'
-applicable to the current table.  It is `nil' if the table is not
+applicable to the current table.  It is nil if the table is not
 associated with any style attributes.
 
 Return a cons of (TABLE-CELL-STYLE-NAME . PARAGRAPH-STYLE-NAME).

lisp/ox-texinfo.el

@@ -117,7 +117,7 @@
 (defcustom org-texinfo-coding-system nil
   "Default document encoding for Texinfo output.
 
-If `nil' it will default to `buffer-file-coding-system'."
+If nil it will default to `buffer-file-coding-system'."
   :group 'org-export-texinfo
   :type 'coding-system)