Update Elisp documentation (28.2)

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -283,7 +283,7 @@ credits = [
     'https://raw.githubusercontent.com/electron/electron/master/LICENSE'
   ], [
     'Elisp',
-    '1990-1996, 1998-2021 Free Software Foundation, Inc.',
+    '1990-1996, 1998-2022 Free Software Foundation, Inc.',
     'GPLv3',
     'https://www.gnu.org/licenses/gpl-3.0.html'
   ], [

lib/docs/scrapers/elisp.rb

@@ -1,7 +1,7 @@
 module Docs
   class Elisp < FileScraper
     self.type = 'elisp'
-    self.release = '27.2'
+    self.release = '28.2'
     self.base_url= 'https://www.gnu.org/software/emacs/manual/html_node/elisp/'
     self.root_path = 'index.html'
     self.links = {
@@ -57,7 +57,7 @@ module Docs
     end
 
     options[:attribution]= <<-HTML
-      Copyright &copy; 1990-1996, 1998-2021 Free Software Foundation, Inc. <br>
+      Copyright &copy; 1990-1996, 1998-2022 Free Software Foundation, Inc. <br>
       Licensed under the GNU GPL license.
     HTML