Se eliminan las etiquetas HTML en la impresión a texto y se ajusta el formato de impresión

app/controllers/wiki_controller.rb

@@ -42,6 +42,8 @@ class WikiController < ApplicationController
   helper :watchers
   include Redmine::Export::PDF
 
+  include ActionView::Helpers::SanitizeHelper
+
   # List of pages, sorted alphabetically and by parent (hierarchy)
   def index
     load_pages_for_index
@@ -107,7 +109,7 @@ class WikiController < ApplicationController
         send_data(export, :type => 'text/html', :filename => filename_for_content_disposition("#{@page.title}.html"))
         return
       elsif params[:format] == 'txt'
-        send_data(@content.text, :type => 'text/plain', :filename => filename_for_content_disposition("#{@page.title}.txt"))
+        send_data(strip_tags(@content.text), :type => 'text/plain', :filename => filename_for_content_disposition("#{@page.title}.txt"))
         return
       end
     end

app/views/wiki/show.html.erb

@@ -47,7 +47,7 @@
 <%= render(:partial => "wiki/content", :locals => {:content => @content}) %>
 
 <% if @page.attachments.length > 0 || (@editable && authorize_for('wiki', 'add_attachment')) %>
-<fieldset class="collapsible collapsed">
+<fieldset class="collapsible collapsed<% if @page.attachments.length == 0 %> hide-when-print<% end %>">
   <legend onclick="toggleFieldset(this);"><%= l(:label_attachment_plural) %> (<%= @page.attachments.length %>)</legend>
   <div style="display: none;">