Escape ` and ' in doc

Escape apostrophes and grave accents in docstrings if they are
are supposed to stand for themselves and are not quotes.  Remove
apostrophes from docstring examples like ‘'(calendar-nth-named-day
-1 0 10 year)’ that confuse source code with data.  Do some other
minor docstring fixups as well, e.g., insert a missing close
quote.

lisp/org/org-agenda.el

@@ -1990,8 +1990,8 @@ the lower-case version of all tags."
   "Alist of characters and custom functions for bulk actions.
 For example, this value makes those two functions available:
 
-  '((?R set-category)
-    (?C bulk-cut))
+  ((?R set-category)
+   (?C bulk-cut))
 
 With selected entries in an agenda buffer, `B R' will call
 the custom function `set-category' on the selected entries.
@@ -4937,13 +4937,13 @@ the `regexp' or `notregexp' element.
 `todo' and `nottodo' accept as an argument a list of todo
 keywords, which may include \"*\" to match any todo keyword.
 
-    (org-agenda-skip-entry-if 'todo '(\"TODO\" \"WAITING\"))
+    (org-agenda-skip-entry-if \\='todo \\='(\"TODO\" \"WAITING\"))
 
 would skip all entries with \"TODO\" or \"WAITING\" keywords.
 
 Instead of a list, a keyword class may be given.  For example:
 
-    (org-agenda-skip-entry-if 'nottodo 'done)
+    (org-agenda-skip-entry-if \\='nottodo \\='done)
 
 would skip entries that haven't been marked with any of \"DONE\"
 keywords.  Possible classes are: `todo', `done', `any'.
@@ -10005,10 +10005,10 @@ calling the function returns nil.  This function takes one
 argument: an entry from `org-agenda-get-day-entries'.
 
 FILTER can also be an alist with the car of each cell being
-either 'headline or 'category.  For example:
+either `headline' or `category'.  For example:
 
-  '((headline \"IMPORTANT\")
-    (category \"Work\"))
+  ((headline \"IMPORTANT\")
+   (category \"Work\"))
 
 will only add headlines containing IMPORTANT or headlines
 belonging to the \"Work\" category.

lisp/org/org-protocol.el

@@ -197,7 +197,7 @@ Possible properties are:
 Example:
 
    (setq org-protocol-project-alist
-       '((\"http://orgmode.org/worg/\"
+       \\='((\"http://orgmode.org/worg/\"
           :online-suffix \".php\"
           :working-suffix \".org\"
           :base-url \"http://orgmode.org/worg/\"
@@ -251,7 +251,7 @@ kill-client - If t, kill the client immediately, once the sub-protocol is
 Here is an example:
 
   (setq org-protocol-protocol-alist
-      '((\"my-protocol\"
+      \\='((\"my-protocol\"
          :protocol \"my-protocol\"
          :function my-protocol-handler-function)
         (\"your-protocol\"

lisp/org/ox-html.el

@@ -833,7 +833,7 @@ you can reuse them:
 For example:
 
 \(setq org-html-table-row-tags
-      (cons '(cond (top-row-p \"<tr class=\\\"tr-top\\\">\")
+      (cons \\='(cond (top-row-p \"<tr class=\\\"tr-top\\\">\")
                    (bottom-row-p \"<tr class=\\\"tr-bottom\\\">\")
                    (t (if (= (mod row-number 2) 1)
 			  \"<tr class=\\\"tr-odd\\\">\"