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<form method='post' action="/">
	<label for="user_name">
	Nombre:<input type="text" name="user_name" />
	</label>
	<label for="password">
	Contrase&ntilde;a: <input type="password" name="password" />
	</label>
	<input type="submit" name="Boton" value="Entrar"/>
	<input type="submit" name="Boton" value="Registrar"/>
</form>