From b61f81a8665818e7777e37f1476dab864ea347b1 Mon Sep 17 00:00:00 2001
From: Mateusz Nowaczyk <mateusz.m.nowaczyk@gmail.com>
Date: Fri, 17 Jun 2016 10:55:28 +0200
Subject: [PATCH 1/2] Append empty option if allow_clear set to true - required
 by select2.js

---
 Resources/views/Form/fields.html.twig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Resources/views/Form/fields.html.twig b/Resources/views/Form/fields.html.twig
index e62b9d5..8d6caba 100644
--- a/Resources/views/Form/fields.html.twig
+++ b/Resources/views/Form/fields.html.twig
@@ -22,6 +22,9 @@
     {% spaceless %}
         <select {{ block('widget_attributes') }}>
             {% if value is iterable %}
+                {% if allow_clear %}
+                        <option>{{ placeholder|trans({}, translation_domain) }}</option>
+                {% endif %}
                 {% for id, label in value %}
                     {% block tetranz_select2entity_widget_select_option %}
                         <option value="{{ id }}" selected="selected">{{ label }}</option>

From 19cc9c70e369f016e1a8910fcabe6614e08918ee Mon Sep 17 00:00:00 2001
From: Mateusz Nowaczyk <mateusz.m.nowaczyk@gmail.com>
Date: Wed, 22 Jun 2016 17:50:13 +0200
Subject: [PATCH 2/2] fixed empty value

---
 Resources/views/Form/fields.html.twig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Resources/views/Form/fields.html.twig b/Resources/views/Form/fields.html.twig
index 8d6caba..4609ab1 100644
--- a/Resources/views/Form/fields.html.twig
+++ b/Resources/views/Form/fields.html.twig
@@ -23,7 +23,7 @@
         <select {{ block('widget_attributes') }}>
             {% if value is iterable %}
                 {% if allow_clear %}
-                        <option>{{ placeholder|trans({}, translation_domain) }}</option>
+                        <option value=""></option>
                 {% endif %}
                 {% for id, label in value %}
                     {% block tetranz_select2entity_widget_select_option %}