Index: app/controllers/wiki_controller.rb
===================================================================
--- app/controllers/wiki_controller.rb	(revision 7698)
+++ app/controllers/wiki_controller.rb	(working copy)
@@ -40,6 +40,7 @@
   helper :attachments
   include AttachmentsHelper
   helper :watchers
+  include Redmine::Export::PDF
 
   # List of pages, sorted alphabetically and by parent (hierarchy)
   def index
@@ -71,7 +72,10 @@
     end
     @content = @page.content_for_version(params[:version])
     if User.current.allowed_to?(:export_wiki_pages, @project)
-      if params[:format] == 'html'
+      if params[:format] == 'pdf'
+        send_data(wiki_to_pdf(@page, @project), :type => 'application/pdf', :filename => "#{@page.title}.pdf")
+        return
+      elsif params[:format] == 'html'
         export = render_to_string :action => 'export', :layout => false
         send_data(export, :type => 'text/html', :filename => "#{@page.title}.html")
         return
Index: app/views/wiki/show.html.erb
===================================================================
--- app/views/wiki/show.html.erb	(revision 7698)
+++ app/views/wiki/show.html.erb	(working copy)
@@ -53,6 +53,7 @@
 <% end %>
 
 <% other_formats_links do |f| %>
+  <%= f.link_to 'PDF', :url => {:id => @page.title, :version => @content.version} %>
   <%= f.link_to 'HTML', :url => {:id => @page.title, :version => @content.version} %>
   <%= f.link_to 'TXT', :url => {:id => @page.title, :version => @content.version} %>
 <% end if User.current.allowed_to?(:export_wiki_pages, @project) %>