rails 4 and tons of stuff

app/views/comments/_comment.html.erb

@@ -6,7 +6,7 @@
   </div>
   <div class="items">
     <div class="item content">
-      <%= h(c.content).gsub(/(\s*?[\r\n]){3,}/, "\n\n").gsub("\n", "<br>").html_safe %>
+      <%= Sanitize.clean(render_mini_md(c.content.gsub(/([\r\n]+\s*?){3,}/, "\n\n")), Sanitize::Config::BASIC).html_safe %>
     </div>
   </div>
 </div>

app/views/comments/_new.html.erb

@@ -1,6 +1,7 @@
 <% if current_user %>
   <h3>New comment</h3>
   <%= simple_form_for [@post, @comment] do |f| %>
+    <p>> quote | _underline_ | *italic* | **bold** | `code` | [link](https://example.com)
     <%= f.input :content, :label => false, :as => "text", :placeholder => "Comment", input_html: {class: "comment"} %>
     <%= f.submit class: "btn blue" %>
   <% end %>

app/views/comments/edit.html.erb

@@ -2,6 +2,6 @@
 
 <%= simple_form_for [@comment.blogpost, @comment] do |f| %>
   <%= f.input :content, label: false, as: "text", placeholder: "Comment" %>
-  <%= f.submit "Update Comment", class: "btn blue left" %>
+  <p><%= f.submit "Update Comment", class: "btn blue left" %></p>
 <% end %>
-<%= button_to "Delete comment", [@comment.blogpost, @comment] , method: "delete", confirm: "Delete comment forever?", class: "btn red right" %>
+<p><%= button_to "Delete comment", [@comment.blogpost, @comment] , method: "delete", confirm: "Delete comment forever?", class: "btn red right" %></p>