diff --git a/lib/date_select_separator/action_view_extension.rb b/lib/date_select_separator/action_view_extension.rb
index b5b2060..c8a85c0 100644
--- a/lib/date_select_separator/action_view_extension.rb
+++ b/lib/date_select_separator/action_view_extension.rb
@@ -41,7 +41,7 @@ def wrapper_select_tag(select_tag, type, separator_options)
         wrapper_options = separator_options[:wrapper_select_tag]
         wrapper_options = wrapper_options.is_a?(Hash) ? default_options.merge(wrapper_options) : default_options
         class_name = wrapper_options[:class_prefix] + "#{type}"
-        content_tag(wrapper_options[:html_tag], select_tag, class: class_name) + "\n"
+        content_tag(wrapper_options[:html_tag], "\n".html_safe + select_tag, class: class_name) + "\n"
       end
 
       def separator_text(type, separator_options)
diff --git a/test/date_select_separator_test.rb b/test/date_select_separator_test.rb
index 550e1f6..7763b34 100644
--- a/test/date_select_separator_test.rb
+++ b/test/date_select_separator_test.rb
@@ -102,7 +102,7 @@ def test_select_day_with_custom_separator_and_translation
   end
 
   def test_select_day_with_custom_separator_and_wrapper_select_tag
-    expected = %(<div class="wrapper_select_day">)
+    expected = %(<div class="wrapper_select_day">\n)
     expected << select_day(Time.mktime(2003, 8, 16))
     expected << %(<span class="separator_day">dd</span>\n).html_safe
     expected << %(</div>\n)
@@ -112,7 +112,7 @@ def test_select_day_with_custom_separator_and_wrapper_select_tag
   end
 
   def test_select_day_with_custom_separator_and_wrapper_select_tag_with_options
-    expected = %(<span class="foo_day">)
+    expected = %(<span class="foo_day">\n)
     expected << select_day(Time.mktime(2003, 8, 16))
     expected << %(<span class="separator_day">dd</span>\n).html_safe
     expected << %(</span>\n)
@@ -285,7 +285,7 @@ def test_select_month_with_custom_separator_and_translation
   end
 
   def test_select_month_with_custom_separator_and_wrapper_select_tag
-    expected = %(<div class="wrapper_select_month">)
+    expected = %(<div class="wrapper_select_month">\n)
     expected << select_month(Time.mktime(2003, 8, 16))
     expected << %(<span class="separator_month">mm</span>\n).html_safe
     expected << %(</div>\n)
@@ -295,7 +295,7 @@ def test_select_month_with_custom_separator_and_wrapper_select_tag
   end
 
   def test_select_month_with_custom_separator_and_wrapper_select_tag_with_options
-    expected = %(<span class="foo_month">)
+    expected = %(<span class="foo_month">\n)
     expected << select_month(Time.mktime(2003, 8, 16))
     expected << %(<span class="separator_month">mm</span>\n).html_safe
     expected << %(</span>\n)
@@ -408,7 +408,7 @@ def test_select_year_with_custom_separator_and_translation
   end
 
   def test_select_year_with_custom_separator_and_wrapper_select_tag
-    expected = %(<div class="wrapper_select_year">)
+    expected = %(<div class="wrapper_select_year">\n)
     expected << select_year(Time.mktime(2003, 8, 16))
     expected << %(<span class="separator_year">yy</span>\n).html_safe
     expected << %(</div>\n)
@@ -418,7 +418,7 @@ def test_select_year_with_custom_separator_and_wrapper_select_tag
   end
 
   def test_select_year_with_custom_separator_and_wrapper_select_tag_with_options
-    expected = %(<span class="foo_year">)
+    expected = %(<span class="foo_year">\n)
     expected << select_year(Time.mktime(2003, 8, 16))
     expected << %(<span class="separator_year">yy</span>\n).html_safe
     expected << %(</span>\n)
@@ -519,7 +519,7 @@ def test_select_hour_with_custom_separator_and_translation
   end
 
   def test_select_hour_with_custom_separator_and_wrapper_select_tag
-    expected = %(<div class="wrapper_select_hour">)
+    expected = %(<div class="wrapper_select_hour">\n)
     expected << select_hour(Time.mktime(2003, 8, 16, 8, 4, 18))
     expected << %(<span class="separator_hour">h</span>\n).html_safe
     expected << %(</div>\n)
@@ -528,7 +528,7 @@ def test_select_hour_with_custom_separator_and_wrapper_select_tag
   end
 
   def test_select_hour_with_custom_separator_and_wrapper_select_tag_with_options
-    expected = %(<span class="foo_hour">)
+    expected = %(<span class="foo_hour">\n)
     expected << select_hour(Time.mktime(2003, 8, 16, 8, 4, 18))
     expected << %(<span class="separator_hour">h</span>\n).html_safe
     expected << %(</span>\n)
@@ -643,7 +643,7 @@ def test_select_minute_with_custom_separator_and_translation
   end
 
   def test_select_minute_with_custom_separator_and_wrapper_select_tag
-    expected = %(<div class="wrapper_select_minute">)
+    expected = %(<div class="wrapper_select_minute">\n)
     expected << select_minute(Time.mktime(2003, 8, 16, 8, 4, 18))
     expected << %(<span class="separator_minute">min</span>\n).html_safe
     expected << %(</div>\n)
@@ -652,7 +652,7 @@ def test_select_minute_with_custom_separator_and_wrapper_select_tag
   end
 
   def test_select_minute_with_custom_separator_and_wrapper_select_tag_with_options
-    expected = %(<span class="foo_minute">)
+    expected = %(<span class="foo_minute">\n)
     expected << select_minute(Time.mktime(2003, 8, 16, 8, 4, 18))
     expected << %(<span class="separator_minute">min</span>\n).html_safe
     expected << %(</span>\n)
@@ -745,7 +745,7 @@ def test_select_second_with_custom_separator_and_translation
   end
 
   def test_select_second_with_custom_separator_and_wrapper_select_tag
-    expected = %(<div class="wrapper_select_second">)
+    expected = %(<div class="wrapper_select_second">\n)
     expected << select_second(Time.mktime(2003, 8, 16, 8, 4, 18))
     expected << %(<span class="separator_second">sec</span>\n).html_safe
     expected << %(</div>\n)
@@ -754,7 +754,7 @@ def test_select_second_with_custom_separator_and_wrapper_select_tag
   end
 
   def test_select_second_with_custom_separator_and_wrapper_select_tag_with_options
-    expected = %(<span class="foo_second">)
+    expected = %(<span class="foo_second">\n)
     expected << select_second(Time.mktime(2003, 8, 16, 8, 4, 18))
     expected << %(<span class="separator_second">sec</span>\n).html_safe
     expected << %(</span>\n)
@@ -1187,21 +1187,21 @@ def test_select_date_with_custom_separator_and_translation
   end
 
   def test_select_date_with_custom_separator_and_wrapper_select_tag
-    expected = %(<div class="wrapper_select_year">)
+    expected = %(<div class="wrapper_select_year">\n)
     expected <<  %(<select id="date_first_year" name="date[first][year]">\n)
     expected << %(<option value="2003" selected="selected">2003</option>\n<option value="2004">2004</option>\n<option value="2005">2005</option>\n)
     expected << "</select>\n"
     expected << %(<span class="separator_year">yy</span>\n)
     expected << %(</div>\n)
 
-    expected << %(<div class="wrapper_select_month">)
+    expected << %(<div class="wrapper_select_month">\n)
     expected << %(<select id="date_first_month" name="date[first][month]">\n)
     expected << %(<option value="1">January</option>\n<option value="2">February</option>\n<option value="3">March</option>\n<option value="4">April</option>\n<option value="5">May</option>\n<option value="6">June</option>\n<option value="7">July</option>\n<option value="8" selected="selected">August</option>\n<option value="9">September</option>\n<option value="10">October</option>\n<option value="11">November</option>\n<option value="12">December</option>\n)
     expected << "</select>\n"
     expected << %(<span class="separator_month">mm</span>\n)
     expected << %(</div>\n)
 
-    expected << %(<div class="wrapper_select_day">)
+    expected << %(<div class="wrapper_select_day">\n)
     expected << %(<select id="date_first_day" name="date[first][day]">\n)
     expected << %(<option value="1">1</option>\n<option value="2">2</option>\n<option value="3">3</option>\n<option value="4">4</option>\n<option value="5">5</option>\n<option value="6">6</option>\n<option value="7">7</option>\n<option value="8">8</option>\n<option value="9">9</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16" selected="selected">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n)
     expected << "</select>\n"
@@ -1212,21 +1212,21 @@ def test_select_date_with_custom_separator_and_wrapper_select_tag
   end
 
   def test_select_date_with_custom_separator_and_wrapper_select_tag_with_options
-    expected = %(<span class="foo_year">)
+    expected = %(<span class="foo_year">\n)
     expected <<  %(<select id="date_first_year" name="date[first][year]">\n)
     expected << %(<option value="2003" selected="selected">2003</option>\n<option value="2004">2004</option>\n<option value="2005">2005</option>\n)
     expected << "</select>\n"
     expected << %(<span class="separator_year">yy</span>\n)
     expected << %(</span>\n)
 
-    expected << %(<span class="foo_month">)
+    expected << %(<span class="foo_month">\n)
     expected << %(<select id="date_first_month" name="date[first][month]">\n)
     expected << %(<option value="1">January</option>\n<option value="2">February</option>\n<option value="3">March</option>\n<option value="4">April</option>\n<option value="5">May</option>\n<option value="6">June</option>\n<option value="7">July</option>\n<option value="8" selected="selected">August</option>\n<option value="9">September</option>\n<option value="10">October</option>\n<option value="11">November</option>\n<option value="12">December</option>\n)
     expected << "</select>\n"
     expected << %(<span class="separator_month">mm</span>\n)
     expected << %(</span>\n)
 
-    expected << %(<span class="foo_day">)
+    expected << %(<span class="foo_day">\n)
     expected << %(<select id="date_first_day" name="date[first][day]">\n)
     expected << %(<option value="1">1</option>\n<option value="2">2</option>\n<option value="3">3</option>\n<option value="4">4</option>\n<option value="5">5</option>\n<option value="6">6</option>\n<option value="7">7</option>\n<option value="8">8</option>\n<option value="9">9</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16" selected="selected">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n)
     expected << "</select>\n"
@@ -1683,21 +1683,21 @@ def test_select_datetime_with_custom_separator_and_translation
   end
 
   def test_select_datetime_with_custom_separator_and_wrapper_select_tag
-    expected = %(<div class="wrapper_select_year">)
+    expected = %(<div class="wrapper_select_year">\n)
     expected <<  %(<select id="date_first_year" name="date[first][year]">\n)
     expected << %(<option value="2003" selected="selected">2003</option>\n<option value="2004">2004</option>\n<option value="2005">2005</option>\n)
     expected << "</select>\n"
     expected << %(<span class="separator_year">yy</span>\n)
     expected << %(</div>\n)
 
-    expected << %(<div class="wrapper_select_month">)
+    expected << %(<div class="wrapper_select_month">\n)
     expected << %(<select id="date_first_month" name="date[first][month]">\n)
     expected << %(<option value="1">January</option>\n<option value="2">February</option>\n<option value="3">March</option>\n<option value="4">April</option>\n<option value="5">May</option>\n<option value="6">June</option>\n<option value="7">July</option>\n<option value="8" selected="selected">August</option>\n<option value="9">September</option>\n<option value="10">October</option>\n<option value="11">November</option>\n<option value="12">December</option>\n)
     expected << "</select>\n"
     expected << %(<span class="separator_month">mm</span>\n)
     expected << %(</div>\n)
 
-    expected << %(<div class="wrapper_select_day">)
+    expected << %(<div class="wrapper_select_day">\n)
     expected << %(<select id="date_first_day" name="date[first][day]">\n)
     expected << %(<option value="1">1</option>\n<option value="2">2</option>\n<option value="3">3</option>\n<option value="4">4</option>\n<option value="5">5</option>\n<option value="6">6</option>\n<option value="7">7</option>\n<option value="8">8</option>\n<option value="9">9</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16" selected="selected">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n)
     expected << "</select>\n"
@@ -1706,7 +1706,7 @@ def test_select_datetime_with_custom_separator_and_wrapper_select_tag
 
     expected << " &mdash; "
 
-    expected << %(<div class="wrapper_select_hour">)
+    expected << %(<div class="wrapper_select_hour">\n)
     expected << %(<select id="date_first_hour" name="date[first][hour]">\n)
     expected << %(<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08" selected="selected">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n)
     expected << "</select>\n"
@@ -1715,7 +1715,7 @@ def test_select_datetime_with_custom_separator_and_wrapper_select_tag
 
     expected << " : "
 
-    expected << %(<div class="wrapper_select_minute">)
+    expected << %(<div class="wrapper_select_minute">\n)
     expected << %(<select id="date_first_minute" name="date[first][minute]">\n)
     expected << %(<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04" selected="selected">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n<option value="32">32</option>\n<option value="33">33</option>\n<option value="34">34</option>\n<option value="35">35</option>\n<option value="36">36</option>\n<option value="37">37</option>\n<option value="38">38</option>\n<option value="39">39</option>\n<option value="40">40</option>\n<option value="41">41</option>\n<option value="42">42</option>\n<option value="43">43</option>\n<option value="44">44</option>\n<option value="45">45</option>\n<option value="46">46</option>\n<option value="47">47</option>\n<option value="48">48</option>\n<option value="49">49</option>\n<option value="50">50</option>\n<option value="51">51</option>\n<option value="52">52</option>\n<option value="53">53</option>\n<option value="54">54</option>\n<option value="55">55</option>\n<option value="56">56</option>\n<option value="57">57</option>\n<option value="58">58</option>\n<option value="59">59</option>\n)
     expected << "</select>\n"
@@ -1726,21 +1726,21 @@ def test_select_datetime_with_custom_separator_and_wrapper_select_tag
   end
 
   def test_select_datetime_with_custom_separator_and_wrapper_select_tag_with_options
-    expected = %(<span class="foo_year">)
+    expected = %(<span class="foo_year">\n)
     expected <<  %(<select id="date_first_year" name="date[first][year]">\n)
     expected << %(<option value="2003" selected="selected">2003</option>\n<option value="2004">2004</option>\n<option value="2005">2005</option>\n)
     expected << "</select>\n"
     expected << %(<span class="separator_year">yy</span>\n)
     expected << %(</span>\n)
 
-    expected << %(<span class="foo_month">)
+    expected << %(<span class="foo_month">\n)
     expected << %(<select id="date_first_month" name="date[first][month]">\n)
     expected << %(<option value="1">January</option>\n<option value="2">February</option>\n<option value="3">March</option>\n<option value="4">April</option>\n<option value="5">May</option>\n<option value="6">June</option>\n<option value="7">July</option>\n<option value="8" selected="selected">August</option>\n<option value="9">September</option>\n<option value="10">October</option>\n<option value="11">November</option>\n<option value="12">December</option>\n)
     expected << "</select>\n"
     expected << %(<span class="separator_month">mm</span>\n)
     expected << %(</span>\n)
 
-    expected << %(<span class="foo_day">)
+    expected << %(<span class="foo_day">\n)
     expected << %(<select id="date_first_day" name="date[first][day]">\n)
     expected << %(<option value="1">1</option>\n<option value="2">2</option>\n<option value="3">3</option>\n<option value="4">4</option>\n<option value="5">5</option>\n<option value="6">6</option>\n<option value="7">7</option>\n<option value="8">8</option>\n<option value="9">9</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16" selected="selected">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n)
     expected << "</select>\n"
@@ -1749,7 +1749,7 @@ def test_select_datetime_with_custom_separator_and_wrapper_select_tag_with_optio
 
     expected << " &mdash; "
 
-    expected << %(<span class="foo_hour">)
+    expected << %(<span class="foo_hour">\n)
     expected << %(<select id="date_first_hour" name="date[first][hour]">\n)
     expected << %(<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08" selected="selected">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n)
     expected << "</select>\n"
@@ -1758,7 +1758,7 @@ def test_select_datetime_with_custom_separator_and_wrapper_select_tag_with_optio
 
     expected << " : "
 
-    expected << %(<span class="foo_minute">)
+    expected << %(<span class="foo_minute">\n)
     expected << %(<select id="date_first_minute" name="date[first][minute]">\n)
     expected << %(<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04" selected="selected">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n<option value="32">32</option>\n<option value="33">33</option>\n<option value="34">34</option>\n<option value="35">35</option>\n<option value="36">36</option>\n<option value="37">37</option>\n<option value="38">38</option>\n<option value="39">39</option>\n<option value="40">40</option>\n<option value="41">41</option>\n<option value="42">42</option>\n<option value="43">43</option>\n<option value="44">44</option>\n<option value="45">45</option>\n<option value="46">46</option>\n<option value="47">47</option>\n<option value="48">48</option>\n<option value="49">49</option>\n<option value="50">50</option>\n<option value="51">51</option>\n<option value="52">52</option>\n<option value="53">53</option>\n<option value="54">54</option>\n<option value="55">55</option>\n<option value="56">56</option>\n<option value="57">57</option>\n<option value="58">58</option>\n<option value="59">59</option>\n)
     expected << "</select>\n"
@@ -2061,7 +2061,7 @@ def test_select_time_with_custom_separator_and_wrapper_select_tag
     expected << %(<input name="date[month]" id="date_month" value="8" type="hidden" />\n)
     expected << %(<input name="date[day]" id="date_day" value="16" type="hidden" />\n)
 
-    expected << %(<div class="wrapper_select_hour">)
+    expected << %(<div class="wrapper_select_hour">\n)
     expected << %(<select id="date_hour" name="date[hour]">\n)
     expected << %(<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08" selected="selected">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n)
     expected << "</select>\n"
@@ -2070,7 +2070,7 @@ def test_select_time_with_custom_separator_and_wrapper_select_tag
 
     expected << " : "
 
-    expected << %(<div class="wrapper_select_minute">)
+    expected << %(<div class="wrapper_select_minute">\n)
     expected << %(<select id="date_minute" name="date[minute]">\n)
     expected << %(<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04" selected="selected">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n<option value="32">32</option>\n<option value="33">33</option>\n<option value="34">34</option>\n<option value="35">35</option>\n<option value="36">36</option>\n<option value="37">37</option>\n<option value="38">38</option>\n<option value="39">39</option>\n<option value="40">40</option>\n<option value="41">41</option>\n<option value="42">42</option>\n<option value="43">43</option>\n<option value="44">44</option>\n<option value="45">45</option>\n<option value="46">46</option>\n<option value="47">47</option>\n<option value="48">48</option>\n<option value="49">49</option>\n<option value="50">50</option>\n<option value="51">51</option>\n<option value="52">52</option>\n<option value="53">53</option>\n<option value="54">54</option>\n<option value="55">55</option>\n<option value="56">56</option>\n<option value="57">57</option>\n<option value="58">58</option>\n<option value="59">59</option>\n)
     expected << "</select>\n"
@@ -2086,7 +2086,7 @@ def test_select_time_with_custom_separator_and_wrapper_select_tag_with_options
     expected << %(<input name="date[month]" id="date_month" value="8" type="hidden" />\n)
     expected << %(<input name="date[day]" id="date_day" value="16" type="hidden" />\n)
 
-    expected << %(<span class="foo_hour">)
+    expected << %(<span class="foo_hour">\n)
     expected << %(<select id="date_hour" name="date[hour]">\n)
     expected << %(<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08" selected="selected">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n)
     expected << "</select>\n"
@@ -2095,7 +2095,7 @@ def test_select_time_with_custom_separator_and_wrapper_select_tag_with_options
 
     expected << " : "
 
-    expected << %(<span class="foo_minute">)
+    expected << %(<span class="foo_minute">\n)
     expected << %(<select id="date_minute" name="date[minute]">\n)
     expected << %(<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04" selected="selected">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n<option value="32">32</option>\n<option value="33">33</option>\n<option value="34">34</option>\n<option value="35">35</option>\n<option value="36">36</option>\n<option value="37">37</option>\n<option value="38">38</option>\n<option value="39">39</option>\n<option value="40">40</option>\n<option value="41">41</option>\n<option value="42">42</option>\n<option value="43">43</option>\n<option value="44">44</option>\n<option value="45">45</option>\n<option value="46">46</option>\n<option value="47">47</option>\n<option value="48">48</option>\n<option value="49">49</option>\n<option value="50">50</option>\n<option value="51">51</option>\n<option value="52">52</option>\n<option value="53">53</option>\n<option value="54">54</option>\n<option value="55">55</option>\n<option value="56">56</option>\n<option value="57">57</option>\n<option value="58">58</option>\n<option value="59">59</option>\n)
     expected << "</select>\n"
@@ -2791,21 +2791,21 @@ def test_date_select_with_custom_separator_and_wrapper_select_tag
     @post = Post.new
     @post.written_on = Date.new(2004, 6, 15)
 
-    expected = %(<div class="wrapper_select_year">)
+    expected = %(<div class="wrapper_select_year">\n)
     expected << %{<select id="post_written_on_1i" name="post[written_on(1i)]">\n}
     expected << %{<option value="1999">1999</option>\n<option value="2000">2000</option>\n<option value="2001">2001</option>\n<option value="2002">2002</option>\n<option value="2003">2003</option>\n<option value="2004" selected="selected">2004</option>\n<option value="2005">2005</option>\n<option value="2006">2006</option>\n<option value="2007">2007</option>\n<option value="2008">2008</option>\n<option value="2009">2009</option>\n}
     expected << "</select>\n"
     expected << %(<span class="separator_year">yy</span>\n)
     expected << %(</div>\n)
 
-    expected << %(<div class="wrapper_select_month">)
+    expected << %(<div class="wrapper_select_month">\n)
     expected << %{<select id="post_written_on_2i" name="post[written_on(2i)]">\n}
     expected << %{<option value="1">January</option>\n<option value="2">February</option>\n<option value="3">March</option>\n<option value="4">April</option>\n<option value="5">May</option>\n<option value="6" selected="selected">June</option>\n<option value="7">July</option>\n<option value="8">August</option>\n<option value="9">September</option>\n<option value="10">October</option>\n<option value="11">November</option>\n<option value="12">December</option>\n}
     expected << "</select>\n"
     expected << %(<span class="separator_month">mm</span>\n)
     expected << %(</div>\n)
 
-    expected << %(<div class="wrapper_select_day">)
+    expected << %(<div class="wrapper_select_day">\n)
     expected << %{<select id="post_written_on_3i" name="post[written_on(3i)]">\n}
     expected << %{<option value="1">1</option>\n<option value="2">2</option>\n<option value="3">3</option>\n<option value="4">4</option>\n<option value="5">5</option>\n<option value="6">6</option>\n<option value="7">7</option>\n<option value="8">8</option>\n<option value="9">9</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15" selected="selected">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n}
     expected << "</select>\n"
@@ -2819,21 +2819,21 @@ def test_date_select_with_custom_separator_and_wrapper_select_tag_with_options
     @post = Post.new
     @post.written_on = Date.new(2004, 6, 15)
 
-    expected = %(<span class="foo_year">)
+    expected = %(<span class="foo_year">\n)
     expected << %{<select id="post_written_on_1i" name="post[written_on(1i)]">\n}
     expected << %{<option value="1999">1999</option>\n<option value="2000">2000</option>\n<option value="2001">2001</option>\n<option value="2002">2002</option>\n<option value="2003">2003</option>\n<option value="2004" selected="selected">2004</option>\n<option value="2005">2005</option>\n<option value="2006">2006</option>\n<option value="2007">2007</option>\n<option value="2008">2008</option>\n<option value="2009">2009</option>\n}
     expected << "</select>\n"
     expected << %(<span class="separator_year">yy</span>\n)
     expected << %(</span>\n)
 
-    expected << %(<span class="foo_month">)
+    expected << %(<span class="foo_month">\n)
     expected << %{<select id="post_written_on_2i" name="post[written_on(2i)]">\n}
     expected << %{<option value="1">January</option>\n<option value="2">February</option>\n<option value="3">March</option>\n<option value="4">April</option>\n<option value="5">May</option>\n<option value="6" selected="selected">June</option>\n<option value="7">July</option>\n<option value="8">August</option>\n<option value="9">September</option>\n<option value="10">October</option>\n<option value="11">November</option>\n<option value="12">December</option>\n}
     expected << "</select>\n"
     expected << %(<span class="separator_month">mm</span>\n)
     expected << %(</span>\n)
 
-    expected << %(<span class="foo_day">)
+    expected << %(<span class="foo_day">\n)
     expected << %{<select id="post_written_on_3i" name="post[written_on(3i)]">\n}
     expected << %{<option value="1">1</option>\n<option value="2">2</option>\n<option value="3">3</option>\n<option value="4">4</option>\n<option value="5">5</option>\n<option value="6">6</option>\n<option value="7">7</option>\n<option value="8">8</option>\n<option value="9">9</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15" selected="selected">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n}
     expected << "</select>\n"
@@ -3182,14 +3182,14 @@ def test_time_select_with_custom_separator_and_wrapper_select_tag
     expected << %{<input type="hidden" id="post_written_on_2i" name="post[written_on(2i)]" value="6" />\n}
     expected << %{<input type="hidden" id="post_written_on_3i" name="post[written_on(3i)]" value="15" />\n}
 
-    expected << %(<div class="wrapper_select_hour">)
+    expected << %(<div class="wrapper_select_hour">\n)
     expected << %(<select id="post_written_on_4i" name="post[written_on(4i)]">\n)
     0.upto(23) { |i| expected << %(<option value="#{sprintf("%02d", i)}"#{' selected="selected"' if i == 15}>#{sprintf("%02d", i)}</option>\n) }
     expected << "</select>\n"
     expected << %(<span class="separator_hour">h</span>\n)
     expected << %(</div>\n)
     expected << " : "
-    expected << %(<div class="wrapper_select_minute">)
+    expected << %(<div class="wrapper_select_minute">\n)
     expected << %(<select id="post_written_on_5i" name="post[written_on(5i)]">\n)
     0.upto(59) { |i| expected << %(<option value="#{sprintf("%02d", i)}"#{' selected="selected"' if i == 16}>#{sprintf("%02d", i)}</option>\n) }
     expected << "</select>\n"
@@ -3691,21 +3691,21 @@ def test_datetime_select_with_custom_separator_and_wrapper_select_tag
     @post = Post.new
     @post.updated_at = Time.local(2004, 6, 15, 16, 35)
 
-    expected = %(<div class="wrapper_select_year">)
+    expected = %(<div class="wrapper_select_year">\n)
     expected << %{<select id="post_updated_at_1i" name="post[updated_at(1i)]">\n}
     expected << %{<option value="1999">1999</option>\n<option value="2000">2000</option>\n<option value="2001">2001</option>\n<option value="2002">2002</option>\n<option value="2003">2003</option>\n<option value="2004" selected="selected">2004</option>\n<option value="2005">2005</option>\n<option value="2006">2006</option>\n<option value="2007">2007</option>\n<option value="2008">2008</option>\n<option value="2009">2009</option>\n}
     expected << "</select>\n"
     expected << %(<span class="separator_year">yy</span>\n)
     expected << %(</div>\n)
 
-    expected << %(<div class="wrapper_select_month">)
+    expected << %(<div class="wrapper_select_month">\n)
     expected << %{<select id="post_updated_at_2i" name="post[updated_at(2i)]">\n}
     expected << %{<option value="1">January</option>\n<option value="2">February</option>\n<option value="3">March</option>\n<option value="4">April</option>\n<option value="5">May</option>\n<option value="6" selected="selected">June</option>\n<option value="7">July</option>\n<option value="8">August</option>\n<option value="9">September</option>\n<option value="10">October</option>\n<option value="11">November</option>\n<option value="12">December</option>\n}
     expected << "</select>\n"
     expected << %(<span class="separator_month">mm</span>\n)
     expected << %(</div>\n)
 
-    expected << %(<div class="wrapper_select_day">)
+    expected << %(<div class="wrapper_select_day">\n)
     expected << %{<select id="post_updated_at_3i" name="post[updated_at(3i)]">\n}
     expected << %{<option value="1">1</option>\n<option value="2">2</option>\n<option value="3">3</option>\n<option value="4">4</option>\n<option value="5">5</option>\n<option value="6">6</option>\n<option value="7">7</option>\n<option value="8">8</option>\n<option value="9">9</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15" selected="selected">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n}
     expected << "</select>\n"
@@ -3714,14 +3714,14 @@ def test_datetime_select_with_custom_separator_and_wrapper_select_tag
 
     expected << " &mdash; "
 
-    expected << %(<div class="wrapper_select_hour">)
+    expected << %(<div class="wrapper_select_hour">\n)
     expected << %{<select id="post_updated_at_4i" name="post[updated_at(4i)]">\n}
     expected << %{<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16" selected="selected">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n}
     expected << "</select>\n"
     expected << %(<span class="separator_hour">h</span>\n)
     expected << %(</div>\n)
     expected << " : "
-    expected << %(<div class="wrapper_select_minute">)
+    expected << %(<div class="wrapper_select_minute">\n)
     expected << %{<select id="post_updated_at_5i" name="post[updated_at(5i)]">\n}
     expected << %{<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n<option value="32">32</option>\n<option value="33">33</option>\n<option value="34">34</option>\n<option value="35" selected="selected">35</option>\n<option value="36">36</option>\n<option value="37">37</option>\n<option value="38">38</option>\n<option value="39">39</option>\n<option value="40">40</option>\n<option value="41">41</option>\n<option value="42">42</option>\n<option value="43">43</option>\n<option value="44">44</option>\n<option value="45">45</option>\n<option value="46">46</option>\n<option value="47">47</option>\n<option value="48">48</option>\n<option value="49">49</option>\n<option value="50">50</option>\n<option value="51">51</option>\n<option value="52">52</option>\n<option value="53">53</option>\n<option value="54">54</option>\n<option value="55">55</option>\n<option value="56">56</option>\n<option value="57">57</option>\n<option value="58">58</option>\n<option value="59">59</option>\n}
     expected << "</select>\n"
@@ -3735,21 +3735,21 @@ def test_datetime_select_with_custom_separator_and_wrapper_select_tag_with_optio
     @post = Post.new
     @post.updated_at = Time.local(2004, 6, 15, 16, 35)
 
-    expected = %(<span class="foo_year">)
+    expected = %(<span class="foo_year">\n)
     expected << %{<select id="post_updated_at_1i" name="post[updated_at(1i)]">\n}
     expected << %{<option value="1999">1999</option>\n<option value="2000">2000</option>\n<option value="2001">2001</option>\n<option value="2002">2002</option>\n<option value="2003">2003</option>\n<option value="2004" selected="selected">2004</option>\n<option value="2005">2005</option>\n<option value="2006">2006</option>\n<option value="2007">2007</option>\n<option value="2008">2008</option>\n<option value="2009">2009</option>\n}
     expected << "</select>\n"
     expected << %(<span class="separator_year">yy</span>\n)
     expected << %(</span>\n)
 
-    expected << %(<span class="foo_month">)
+    expected << %(<span class="foo_month">\n)
     expected << %{<select id="post_updated_at_2i" name="post[updated_at(2i)]">\n}
     expected << %{<option value="1">January</option>\n<option value="2">February</option>\n<option value="3">March</option>\n<option value="4">April</option>\n<option value="5">May</option>\n<option value="6" selected="selected">June</option>\n<option value="7">July</option>\n<option value="8">August</option>\n<option value="9">September</option>\n<option value="10">October</option>\n<option value="11">November</option>\n<option value="12">December</option>\n}
     expected << "</select>\n"
     expected << %(<span class="separator_month">mm</span>\n)
     expected << %(</span>\n)
 
-    expected << %(<span class="foo_day">)
+    expected << %(<span class="foo_day">\n)
     expected << %{<select id="post_updated_at_3i" name="post[updated_at(3i)]">\n}
     expected << %{<option value="1">1</option>\n<option value="2">2</option>\n<option value="3">3</option>\n<option value="4">4</option>\n<option value="5">5</option>\n<option value="6">6</option>\n<option value="7">7</option>\n<option value="8">8</option>\n<option value="9">9</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15" selected="selected">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n}
     expected << "</select>\n"
@@ -3758,14 +3758,14 @@ def test_datetime_select_with_custom_separator_and_wrapper_select_tag_with_optio
 
     expected << " &mdash; "
 
-    expected << %(<span class="foo_hour">)
+    expected << %(<span class="foo_hour">\n)
     expected << %{<select id="post_updated_at_4i" name="post[updated_at(4i)]">\n}
     expected << %{<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16" selected="selected">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n}
     expected << "</select>\n"
     expected << %(<span class="separator_hour">h</span>\n)
     expected << %(</span>\n)
     expected << " : "
-    expected << %(<span class="foo_minute">)
+    expected << %(<span class="foo_minute">\n)
     expected << %{<select id="post_updated_at_5i" name="post[updated_at(5i)]">\n}
     expected << %{<option value="00">00</option>\n<option value="01">01</option>\n<option value="02">02</option>\n<option value="03">03</option>\n<option value="04">04</option>\n<option value="05">05</option>\n<option value="06">06</option>\n<option value="07">07</option>\n<option value="08">08</option>\n<option value="09">09</option>\n<option value="10">10</option>\n<option value="11">11</option>\n<option value="12">12</option>\n<option value="13">13</option>\n<option value="14">14</option>\n<option value="15">15</option>\n<option value="16">16</option>\n<option value="17">17</option>\n<option value="18">18</option>\n<option value="19">19</option>\n<option value="20">20</option>\n<option value="21">21</option>\n<option value="22">22</option>\n<option value="23">23</option>\n<option value="24">24</option>\n<option value="25">25</option>\n<option value="26">26</option>\n<option value="27">27</option>\n<option value="28">28</option>\n<option value="29">29</option>\n<option value="30">30</option>\n<option value="31">31</option>\n<option value="32">32</option>\n<option value="33">33</option>\n<option value="34">34</option>\n<option value="35" selected="selected">35</option>\n<option value="36">36</option>\n<option value="37">37</option>\n<option value="38">38</option>\n<option value="39">39</option>\n<option value="40">40</option>\n<option value="41">41</option>\n<option value="42">42</option>\n<option value="43">43</option>\n<option value="44">44</option>\n<option value="45">45</option>\n<option value="46">46</option>\n<option value="47">47</option>\n<option value="48">48</option>\n<option value="49">49</option>\n<option value="50">50</option>\n<option value="51">51</option>\n<option value="52">52</option>\n<option value="53">53</option>\n<option value="54">54</option>\n<option value="55">55</option>\n<option value="56">56</option>\n<option value="57">57</option>\n<option value="58">58</option>\n<option value="59">59</option>\n}
     expected << "</select>\n"