anchor.diff: -<%/*
  - *
  - * @author Eduardo Guidet Jiménez
  - * 
  - * 
  - */%>
  -
  -
  - 
   <%@ page contentType="text/html; charset=UTF-8" %>
   <%
       String cpath = request.getContextPath();
  
positive.code:                 <div class="col-sm-6">
                      <div class="form-group">
                          <label for="nombre" class="col-sm-3 control-label">Nombre</label>
                          
           
                                                   
                              <% if(error != null) { %>
  
negative.code:                             <input type="text" name="nombre" id="nombre" placeholder="Nombre" class="form-control" autofocus>
                              <% } %>
                              <span class="help-block">Nombre ej.: Evaristo Jos&eacute;</span>
                          </div>
                          
                      </div>
                      <div class="form-group">
  