diff --git a/examples/Elements/Elements.ino b/examples/Elements/Elements.ino
index 1aeea49..dd874a6 100644
--- a/examples/Elements/Elements.ino
+++ b/examples/Elements/Elements.ino
@@ -74,11 +74,6 @@ static const char PAGE_ELEMENTS[] PROGMEM = R"(
       "label": "Select",
       "selected": 2
     },
-    {
-      "name": "element",
-      "type": "ACElement",
-      "value": "<br>"
-    },
     {
       "name": "load",
       "type": "ACSubmit",
diff --git a/src/AutoConnectElementBasis.h b/src/AutoConnectElementBasis.h
index 85b876d..d4cab91 100644
--- a/src/AutoConnectElementBasis.h
+++ b/src/AutoConnectElementBasis.h
@@ -2,8 +2,8 @@
  * Declaration of AutoConnectElement basic class.
  * @file AutoConnectElementBasis.h
  * @author hieromon@gmail.com
- * @version  0.9.8
- * @date 2019-03-11
+ * @version  0.9.11
+ * @date 2019-06-25
  * @copyright  MIT license.
  */
 
@@ -38,6 +38,12 @@ typedef enum {
   AC_File_Extern
 } ACFile_t;         /**< AutoConnectFile media type */
 
+typedef enum {
+  AC_Tag_None = 0,
+  AC_Tag_BR = 1,
+  AC_Tag_P = 2
+} ACPosterior_t;    /**< Tag to be generated following element */
+
 /**
  * AutoConnectAux element base.
  * Placed a raw text that can be added by user sketch.
@@ -46,12 +52,13 @@ typedef enum {
  */
 class AutoConnectElementBasis {
  public:
-  explicit AutoConnectElementBasis(const char* name = "", const char* value = "") : name(String(name)), value(String(value)), enable(true) {
+  explicit AutoConnectElementBasis(const char* name = "", const char* value = "", const ACPosterior_t post = AC_Tag_None) : name(String(name)), value(String(value)), post(post), enable(true) {
     _type = AC_Element;
   }
   virtual ~AutoConnectElementBasis() {}
   virtual const String  toHTML(void) const { return enable ? value : String(""); }
   ACElement_t typeOf(void) const { return _type; }
+  const String  posterior(const String& s) const;
 #ifndef AUTOCONNECT_USE_JSON
   template<typename T>
   T&  as(void);
@@ -59,6 +66,7 @@ class AutoConnectElementBasis {
 
   String  name;       /**< Element name */
   String  value;      /**< Element value */
+  ACPosterior_t post; /**< Tag to be generated with posterior */
   bool    enable;     /**< Enabling the element */
 
  protected:
@@ -74,7 +82,7 @@ class AutoConnectElementBasis {
  */
 class AutoConnectButtonBasis : virtual public AutoConnectElementBasis {
  public:
-  explicit AutoConnectButtonBasis(const char* name = "", const char* value = "", const String& action = String("")) : AutoConnectElementBasis(name, value), action(String(action)) {
+  explicit AutoConnectButtonBasis(const char* name = "", const char* value = "", const String& action = String(""), const ACPosterior_t post = AC_Tag_None) : AutoConnectElementBasis(name, value, post), action(String(action)) {
     _type = AC_Button;
   }
   ~AutoConnectButtonBasis() {}
@@ -93,7 +101,7 @@ class AutoConnectButtonBasis : virtual public AutoConnectElementBasis {
  */
 class AutoConnectCheckboxBasis : virtual public AutoConnectElementBasis {
  public:
-  explicit AutoConnectCheckboxBasis(const char* name = "", const char* value = "", const char* label = "", const bool checked = false) : AutoConnectElementBasis(name, value), label(String(label)), checked(checked) {
+  explicit AutoConnectCheckboxBasis(const char* name = "", const char* value = "", const char* label = "", const bool checked = false, const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, value, post), label(String(label)), checked(checked) {
     _type = AC_Checkbox;
   }
   virtual ~AutoConnectCheckboxBasis() {}
@@ -113,7 +121,7 @@ class AutoConnectCheckboxBasis : virtual public AutoConnectElementBasis {
  */
 class AutoConnectFileBasis : virtual public AutoConnectElementBasis {
  public:
-  explicit AutoConnectFileBasis(const char* name = "", const char* value = "", const char* label = "", const ACFile_t store = AC_File_FS) : AutoConnectElementBasis(name, value), label(String(label)), store(store) {
+  explicit AutoConnectFileBasis(const char* name = "", const char* value = "", const char* label = "", const ACFile_t store = AC_File_FS, const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, value, post), label(String(label)), store(store), size(0) {
     _type = AC_File;
     _upload.reset();
   }
@@ -142,7 +150,7 @@ class AutoConnectFileBasis : virtual public AutoConnectElementBasis {
  */
 class AutoConnectInputBasis : virtual public AutoConnectElementBasis {
  public:
-  explicit AutoConnectInputBasis(const char* name = "", const char* value = "", const char* label = "", const char* pattern = "", const char* placeholder = "") : AutoConnectElementBasis(name, value), label(String(label)), pattern(String(pattern)), placeholder(String(placeholder))  {
+  explicit AutoConnectInputBasis(const char* name = "", const char* value = "", const char* label = "", const char* pattern = "", const char* placeholder = "", const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, value, post), label(String(label)), pattern(String(pattern)), placeholder(String(placeholder))  {
     _type = AC_Input;
   }
   virtual ~AutoConnectInputBasis() {}
@@ -164,7 +172,7 @@ class AutoConnectInputBasis : virtual public AutoConnectElementBasis {
  */
 class AutoConnectRadioBasis : virtual public AutoConnectElementBasis {
  public:
-  explicit AutoConnectRadioBasis(const char* name = "", std::vector<String> const& values = {}, const char* label = "", const ACArrange_t order = AC_Vertical, const uint8_t checked = 0) : AutoConnectElementBasis(name, ""), label(label), order(order), checked(checked), _values(values) {
+  explicit AutoConnectRadioBasis(const char* name = "", std::vector<String> const& values = {}, const char* label = "", const ACArrange_t order = AC_Vertical, const uint8_t checked = 0, const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, "", post), label(label), order(order), checked(checked), _values(values) {
     _type = AC_Radio;
   }
   virtual ~AutoConnectRadioBasis() {}
@@ -196,7 +204,7 @@ class AutoConnectRadioBasis : virtual public AutoConnectElementBasis {
  */
 class AutoConnectSelectBasis : virtual public AutoConnectElementBasis {
  public:
-  explicit AutoConnectSelectBasis(const char* name = "", std::vector<String> const& options = {}, const char* label = "", const uint8_t selected = 0) : AutoConnectElementBasis(name, ""), label(String(label)), selected(selected), _options(options) {
+  explicit AutoConnectSelectBasis(const char* name = "", std::vector<String> const& options = {}, const char* label = "", const uint8_t selected = 0, const ACPosterior_t post = AC_Tag_BR) : AutoConnectElementBasis(name, "", post), label(String(label)), selected(selected), _options(options) {
     _type = AC_Select;
   }
   virtual ~AutoConnectSelectBasis() {}
@@ -227,7 +235,7 @@ class AutoConnectSelectBasis : virtual public AutoConnectElementBasis {
  */
 class AutoConnectSubmitBasis : virtual public AutoConnectElementBasis {
  public:
-  explicit AutoConnectSubmitBasis(const char* name = "", const char* value = "", const char* uri = "") : AutoConnectElementBasis(name, value), uri(String(uri)) {
+  explicit AutoConnectSubmitBasis(const char* name = "", const char* value = "", const char* uri = "", const ACPosterior_t post = AC_Tag_None) : AutoConnectElementBasis(name, value, post), uri(String(uri)) {
     _type = AC_Submit;
   }
   virtual ~AutoConnectSubmitBasis() {}
@@ -248,7 +256,7 @@ class AutoConnectSubmitBasis : virtual public AutoConnectElementBasis {
  */
 class AutoConnectTextBasis : virtual public AutoConnectElementBasis {
  public:
-  explicit AutoConnectTextBasis(const char* name = "", const char* value = "", const char* style = "", const char* format = "") : AutoConnectElementBasis(name, value), style(String(style)), format(String(format)) {
+  explicit AutoConnectTextBasis(const char* name = "", const char* value = "", const char* style = "", const char* format = "", const ACPosterior_t post = AC_Tag_None) : AutoConnectElementBasis(name, value, post), style(String(style)), format(String(format)) {
     _type = AC_Text;
   }
   virtual ~AutoConnectTextBasis() {}
diff --git a/src/AutoConnectElementBasisImpl.h b/src/AutoConnectElementBasisImpl.h
index 39c1f53..484fb46 100644
--- a/src/AutoConnectElementBasisImpl.h
+++ b/src/AutoConnectElementBasisImpl.h
@@ -2,8 +2,8 @@
  * Implementation of AutoConnectElementBasis classes.
  * @file AutoConnectElementImpl.h
  * @author hieromon@gmail.com
- * @version  0.9.9
- * @date 2019-05-23
+ * @version  0.9.11
+ * @date 2019-06-25
  * @copyright  MIT license.
  */
 
@@ -19,13 +19,35 @@
 #endif
 #include "AutoConnectElementBasis.h"
 
+/**
+ * Append post-tag accoring by the post attribute.
+ * @param  s  An original string
+ * @return    A string that appended the post tag
+ */
+const String AutoConnectElementBasis::posterior(const String& s) const {
+  String  html;
+  if (post == AC_Tag_BR)
+    html = s + String(F("<br>"));
+  else if (post == AC_Tag_P)
+    html = String("<p>") + s + String(F("</p>"));
+  else
+    html = s;
+  return html;
+}
+
 /**
  * Generate an HTML <button> element. The onclick behavior depends on
  * the code held in factionf member.
  * @return  An HTML string.
  */
 const String AutoConnectButtonBasis::toHTML(void) const {
-  return enable ? String(F("<button type=\"button\" name=\"")) + name + String(F("\" value=\"")) + value + String(F("\" onclick=\"")) + action + String("\">") + value + String(F("</button>")) : String("");
+  String  html = String("");
+
+  if (enable) {
+    html = String(F("<button type=\"button\" name=\"")) + name + String(F("\" value=\"")) + value + String(F("\" onclick=\"")) + action + String("\">") + value + String(F("</button>"));
+    html = AutoConnectElementBasis::posterior(html);
+  }
+  return html;
 }
 
 /**
@@ -45,7 +67,8 @@ const String AutoConnectCheckboxBasis::toHTML(void) const {
       html += String(F(" checked"));
     if (label.length())
       html += String(F(" id=\"")) + name + String(F("\"><label for=\"")) + name + String("\">") + label + String(F("</label"));
-    html += String(F("><br>"));
+    html += String(">");
+    html = AutoConnectElementBasis::posterior(html);
   }
   return html;
 }
@@ -63,7 +86,8 @@ const String AutoConnectFileBasis::toHTML(void) const {
   if (enable) {
     if (label.length())
       html = String(F("<label for=\"")) + name + String(F("\">")) + label + String(F("</label>"));
-    html += String(F("<input type=\"file\" id=\"")) + name + String(F("\" name=\"")) + name + String(F("\"><br>"));
+    html += String(F("<input type=\"file\" id=\"")) + name + String(F("\" name=\"")) + name + String("\">");
+    html = AutoConnectElementBasis::posterior(html);
   }
   return html;
 }
@@ -115,7 +139,8 @@ const String AutoConnectInputBasis::toHTML(void) const {
       html += String(F(" placeholder=\"")) + placeholder + String("\"");
     if (value.length())
       html += String(F(" value=\"")) + value + String("\"");
-    html += String(F("><br>"));
+    html += String(">");
+    html = AutoConnectElementBasis::posterior(html);
   }
   return html;
 }
@@ -201,6 +226,7 @@ const String AutoConnectRadioBasis::toHTML(void) const {
       if (order == AC_Vertical)
         html += String(F("<br>"));
     }
+    html = AutoConnectElementBasis::posterior(html);
   }
   return html;
 }
@@ -263,6 +289,7 @@ const String AutoConnectSelectBasis::toHTML(void) const {
       html += ">" + option + String(F("</option>"));
     }
     html += String(F("</select>"));
+    html = AutoConnectElementBasis::posterior(html);
   }
   return html;
 }
@@ -282,7 +309,13 @@ const String& AutoConnectSelectBasis::value(void) const {
  * @return String  an HTML string.
  */
 const String AutoConnectSubmitBasis::toHTML(void) const {
-  return enable ? String(F("<input type=\"button\" name=\"")) + name + String(F("\" value=\"")) + value + String(F("\" onclick=\"_sa('")) + uri + String("')\">") : String("");
+  String  html = String("");
+
+  if (enable) {
+    html = String(F("<input type=\"button\" name=\"")) + name + String(F("\" value=\"")) + value + String(F("\" onclick=\"_sa('")) + uri + String("')\">");
+    html = AutoConnectElementBasis::posterior(html);
+  }
+  return html;
 }
 
 /**
@@ -310,6 +343,7 @@ const String AutoConnectTextBasis::toHTML(void) const {
       }
     }
     html += value_f + String(F("</div>"));
+    html = AutoConnectElementBasis::posterior(html);
   }
   return html;
 }
diff --git a/src/AutoConnectElementJson.h b/src/AutoConnectElementJson.h
index 16d41f2..5f6859c 100644
--- a/src/AutoConnectElementJson.h
+++ b/src/AutoConnectElementJson.h
@@ -2,8 +2,8 @@
  * Declaration of AutoConnectElement extended classes using JSON.
  * @file AutoConnectElementJson.h
  * @author hieromon@gmail.com
- * @version  0.9.9
- * @date 2019-05-23
+ * @version  0.9.11
+ * @date 2019-06-25
  * @copyright  MIT license.
  */
 
@@ -24,6 +24,7 @@
 #define AUTOCONNECT_JSON_KEY_OPTION       "option"
 #define AUTOCONNECT_JSON_KEY_PATTERN      "pattern"
 #define AUTOCONNECT_JSON_KEY_PLACEHOLDER  "placeholder"
+#define AUTOCONNECT_JSON_KEY_POSTERIOR    "posterior"
 #define AUTOCONNECT_JSON_KEY_SELECTED     "selected"
 #define AUTOCONNECT_JSON_KEY_STORE        "store"
 #define AUTOCONNECT_JSON_KEY_STYLE        "style"
@@ -40,9 +41,12 @@
 #define AUTOCONNECT_JSON_TYPE_ACSELECT    "ACSelect"
 #define AUTOCONNECT_JSON_TYPE_ACSUBMIT    "ACSubmit"
 #define AUTOCONNECT_JSON_TYPE_ACTEXT      "ACText"
+#define AUTOCONNECT_JSON_VALUE_BR         "br"
 #define AUTOCONNECT_JSON_VALUE_EXTERNAL   "extern"
 #define AUTOCONNECT_JSON_VALUE_FS         "fs"
 #define AUTOCONNECT_JSON_VALUE_HORIZONTAL "horizontal"
+#define AUTOCONNECT_JSON_VALUE_NONE       "none"
+#define AUTOCONNECT_JSON_VALUE_PAR        "par"
 #define AUTOCONNECT_JSON_VALUE_SD         "sd"
 #define AUTOCONNECT_JSON_VALUE_VERTICAL   "vertical"
 
@@ -54,9 +58,10 @@
  */
 class AutoConnectElementJson : virtual public AutoConnectElementBasis {
  public:
-  explicit AutoConnectElementJson(const char* name = "", const char* value = "") {
+  explicit AutoConnectElementJson(const char* name = "", const char* value = "", const ACPosterior_t post = AC_Tag_None) : _defaultPost(AC_Tag_None) {
     AutoConnectElementBasis::name = String(name);
     AutoConnectElementBasis::value = String(value);
+    AutoConnectElementBasis::post = post;
   }
   ~AutoConnectElementJson() {}
   virtual size_t  getObjectSize(void) const;
@@ -68,6 +73,9 @@ class AutoConnectElementJson : virtual public AutoConnectElementBasis {
  protected:
   void  _setMember(const JsonObject& json);
   void  _serialize(JsonObject& json);
+
+ protected:
+  ACPosterior_t   _defaultPost;
 };
 
 /**
@@ -80,10 +88,12 @@ class AutoConnectElementJson : virtual public AutoConnectElementBasis {
  */
 class AutoConnectButtonJson : public AutoConnectElementJson, public AutoConnectButtonBasis {
  public:
-  explicit AutoConnectButtonJson(const char* name = "", const char* value = "", const String& action = String("")) {
+  explicit AutoConnectButtonJson(const char* name = "", const char* value = "", const String& action = String(""), const ACPosterior_t post = AC_Tag_None) {
     AutoConnectButtonBasis::name = String(name);
     AutoConnectButtonBasis::value = String(value);
     AutoConnectButtonBasis::action = String(action);
+    AutoConnectButtonBasis::post = post;
+    _defaultPost = AC_Tag_None;
   }
   ~AutoConnectButtonJson() {}
   size_t  getObjectSize(void) const override;
@@ -102,11 +112,13 @@ class AutoConnectButtonJson : public AutoConnectElementJson, public AutoConnectB
  */
 class AutoConnectCheckboxJson : public AutoConnectElementJson, public AutoConnectCheckboxBasis {
  public:
-  explicit AutoConnectCheckboxJson(const char* name = "", const char* value = "", const char* label = "", const bool checked = false) {
+  explicit AutoConnectCheckboxJson(const char* name = "", const char* value = "", const char* label = "", const bool checked = false, const ACPosterior_t post = AC_Tag_BR) {
     AutoConnectCheckboxBasis::name = String(name);
     AutoConnectCheckboxBasis::value = String(value);
     AutoConnectCheckboxBasis::label = String(label);
     AutoConnectCheckboxBasis::checked = checked;
+    AutoConnectCheckboxBasis::post = post;
+    _defaultPost = AC_Tag_BR;
   }
   ~AutoConnectCheckboxJson() {}
   size_t  getObjectSize(void) const override;
@@ -125,11 +137,13 @@ class AutoConnectCheckboxJson : public AutoConnectElementJson, public AutoConnec
  */
 class AutoConnectFileJson : public AutoConnectElementJson, public AutoConnectFileBasis {
  public:
-  explicit AutoConnectFileJson(const char* name = "", const char* value= "", const char* label = "", const ACFile_t store = AC_File_FS) {
+  explicit AutoConnectFileJson(const char* name = "", const char* value= "", const char* label = "", const ACFile_t store = AC_File_FS, const ACPosterior_t post = AC_Tag_BR) {
     AutoConnectFileBasis::name = String(name);
     AutoConnectFileBasis::value = String(value);
     AutoConnectFileBasis::label = String(label);
     AutoConnectFileBasis::store = store;
+    AutoConnectFileBasis::post = post;
+    _defaultPost = AC_Tag_BR;
   }
   ~AutoConnectFileJson() {}
   size_t  getObjectSize(void) const override;
@@ -148,12 +162,14 @@ class AutoConnectFileJson : public AutoConnectElementJson, public AutoConnectFil
  */
 class AutoConnectInputJson : public AutoConnectElementJson, public AutoConnectInputBasis {
  public:
-  explicit AutoConnectInputJson(const char* name = "", const char* value = "", const char* label = "", const char* pattern = "", const char* placeholder = "") {
+  explicit AutoConnectInputJson(const char* name = "", const char* value = "", const char* label = "", const char* pattern = "", const char* placeholder = "", const ACPosterior_t post = AC_Tag_BR) {
     AutoConnectInputBasis::name = String(name);
     AutoConnectInputBasis::value = String(value);
     AutoConnectInputBasis::label = String(label);
     AutoConnectInputBasis::pattern = String(pattern);
     AutoConnectInputBasis::placeholder = String(placeholder);
+    AutoConnectInputBasis::post = post;
+    _defaultPost = AC_Tag_BR;
   }
   ~AutoConnectInputJson() {}
   size_t  getObjectSize(void) const override;
@@ -171,12 +187,14 @@ class AutoConnectInputJson : public AutoConnectElementJson, public AutoConnectIn
 */
 class AutoConnectRadioJson : public AutoConnectElementJson, public AutoConnectRadioBasis {
  public:
-  explicit AutoConnectRadioJson(const char* name = "", std::vector<String> const& values = {}, const char* label = "", const ACArrange_t order = AC_Vertical, const uint8_t checked = 0) {
+  explicit AutoConnectRadioJson(const char* name = "", std::vector<String> const& values = {}, const char* label = "", const ACArrange_t order = AC_Vertical, const uint8_t checked = 0, const ACPosterior_t post = AC_Tag_BR) {
     AutoConnectRadioBasis::name = String(name);
     AutoConnectRadioBasis::_values = values;
     AutoConnectRadioBasis::label = String(label);
     AutoConnectRadioBasis::order = order;
     AutoConnectRadioBasis::checked = checked;
+    AutoConnectRadioBasis::post = post;
+    _defaultPost = AC_Tag_BR;
   }
   ~AutoConnectRadioJson() {}
   size_t  getObjectSize(void) const override;
@@ -194,11 +212,13 @@ class AutoConnectRadioJson : public AutoConnectElementJson, public AutoConnectRa
  */
 class AutoConnectSelectJson : public AutoConnectElementJson, public AutoConnectSelectBasis {
  public:
-  explicit AutoConnectSelectJson(const char* name = "", std::vector<String> const& options = {}, const char* label = "", const uint8_t selected = 0) {
+  explicit AutoConnectSelectJson(const char* name = "", std::vector<String> const& options = {}, const char* label = "", const uint8_t selected = 0, const ACPosterior_t post = AC_Tag_BR) {
     AutoConnectSelectBasis::name = String(name);
     AutoConnectSelectBasis::_options = options;
     AutoConnectSelectBasis::label = String(label);
     AutoConnectSelectBasis::selected = selected;
+    AutoConnectSelectBasis::post = post;
+    _defaultPost = AC_Tag_BR;
   }
   ~AutoConnectSelectJson() {}
   size_t  getObjectSize(void) const override;
@@ -217,10 +237,12 @@ class AutoConnectSelectJson : public AutoConnectElementJson, public AutoConnectS
  */
 class AutoConnectSubmitJson : public AutoConnectElementJson, public AutoConnectSubmitBasis {
  public:
-  explicit AutoConnectSubmitJson(const char* name = "", const char* value = "", const char* uri = "") {
+  explicit AutoConnectSubmitJson(const char* name = "", const char* value = "", const char* uri = "", const ACPosterior_t post = AC_Tag_None) {
     AutoConnectSubmitBasis::name = String(name);
     AutoConnectSubmitBasis::value = String(value);
     AutoConnectSubmitBasis::uri = String(uri);
+    AutoConnectSubmitBasis::post = post;
+    _defaultPost = AC_Tag_None;
   }
   ~AutoConnectSubmitJson() {}
   size_t  getObjectSize(void) const override;
@@ -239,11 +261,13 @@ class AutoConnectSubmitJson : public AutoConnectElementJson, public AutoConnectS
  */
 class AutoConnectTextJson : public AutoConnectElementJson, public AutoConnectTextBasis {
  public:
-  explicit AutoConnectTextJson(const char* name = "", const char* value = "", const char* style = "", const char* format = "") {
+  explicit AutoConnectTextJson(const char* name = "", const char* value = "", const char* style = "", const char* format = "", const ACPosterior_t post = AC_Tag_None) {
     AutoConnectTextBasis::name = String(name);
     AutoConnectTextBasis::value = String(value);
     AutoConnectTextBasis::style = String(style);
     AutoConnectTextBasis::format = String(format);
+    AutoConnectTextBasis::post = post;
+    _defaultPost = AC_Tag_None;
   }
   ~AutoConnectTextJson() {}
   size_t  getObjectSize(void) const override;
diff --git a/src/AutoConnectElementJsonImpl.h b/src/AutoConnectElementJsonImpl.h
index ba4ff6c..2e06cbc 100644
--- a/src/AutoConnectElementJsonImpl.h
+++ b/src/AutoConnectElementJsonImpl.h
@@ -2,8 +2,8 @@
  * Implementation of AutoConnectElementJson classes.
  * @file AutoConnectElementImpl.h
  * @author hieromon@gmail.com
- * @version  0.9.9
- * @date 2019-05-23
+ * @version  0.9.11
+ * @date 2019-06-25
  * @copyright  MIT license.
  */
 
@@ -16,10 +16,12 @@
  * Returns JSON object size.
  * @return  An object size for JsonBuffer.
  */
-size_t AutoConnectElementJson::getObjectSize() const {
+size_t AutoConnectElementJson::getObjectSize(void) const {
   size_t  size = JSON_OBJECT_SIZE(3);
   size += sizeof(AUTOCONNECT_JSON_KEY_NAME) + sizeof(AUTOCONNECT_JSON_KEY_TYPE) + sizeof(AUTOCONNECT_JSON_KEY_VALUE) + sizeof(AUTOCONNECT_JSON_TYPE_ACELEMENT);
   size += name.length() + 1 + value.length() + 1;
+  if (post != _defaultPost)
+    size += sizeof(AUTOCONNECT_JSON_KEY_POSTERIOR) + (sizeof(AUTOCONNECT_JSON_VALUE_BR) > sizeof(AUTOCONNECT_JSON_VALUE_PAR) ? sizeof(AUTOCONNECT_JSON_VALUE_BR) : sizeof(AUTOCONNECT_JSON_VALUE_PAR));
   return size;
 }
 
@@ -55,6 +57,21 @@ void AutoConnectElementJson::serialize(JsonObject& json) {
  */
 void AutoConnectElementJson::_serialize(JsonObject& json) {
   json[F(AUTOCONNECT_JSON_KEY_NAME)] = name;
+  if (post != _defaultPost) {
+    String  posterior;
+    switch (post) {
+    case AC_Tag_None:
+      posterior = AUTOCONNECT_JSON_VALUE_NONE;
+      break;
+    case AC_Tag_BR:
+      posterior = AUTOCONNECT_JSON_VALUE_BR;
+      break;
+    case AC_Tag_P:
+      posterior = AUTOCONNECT_JSON_VALUE_PAR;
+      break;
+    }
+    json[F(AUTOCONNECT_JSON_KEY_POSTERIOR)] = posterior;
+  }
 }
 
 /**
@@ -65,13 +82,24 @@ void AutoConnectElementJson::_setMember(const JsonObject& json) {
   name = json[F(AUTOCONNECT_JSON_KEY_NAME)].as<String>();
   if (json.containsKey(F(AUTOCONNECT_JSON_KEY_VALUE)))
     value = json[F(AUTOCONNECT_JSON_KEY_VALUE)].as<String>();
+  if (json.containsKey(F(AUTOCONNECT_JSON_KEY_POSTERIOR))) {
+    String  posterior = json[F(AUTOCONNECT_JSON_KEY_POSTERIOR)].as<String>();
+    if (posterior.equalsIgnoreCase(F(AUTOCONNECT_JSON_VALUE_NONE)))
+      post = AC_Tag_None;
+    else if (posterior.equalsIgnoreCase(F(AUTOCONNECT_JSON_VALUE_BR)))
+      post = AC_Tag_BR;
+    else if (posterior.equalsIgnoreCase(F(AUTOCONNECT_JSON_VALUE_PAR)))
+      post = AC_Tag_P;
+    else
+      AC_DBG("Warning '%s' loading, unknown posterior '%s'\n", name.c_str(), posterior.c_str());
+  }
 }
 
 /**
  * Returns JSON object size.
  * @return  An object size for JsonBuffer.
  */
-size_t AutoConnectButtonJson::getObjectSize() const {
+size_t AutoConnectButtonJson::getObjectSize(void) const {
   size_t  size = AutoConnectElementJson::getObjectSize() + JSON_OBJECT_SIZE(1);
   size += sizeof(AUTOCONNECT_JSON_KEY_ACTION) + action.length() + 1;
   return size;
@@ -109,7 +137,7 @@ void AutoConnectButtonJson::serialize(JsonObject& json) {
  * Returns JSON object size.
  * @return  An object size for JsonBuffer.
  */
-size_t AutoConnectCheckboxJson::getObjectSize() const {
+size_t AutoConnectCheckboxJson::getObjectSize(void) const {
   size_t  size = AutoConnectElementJson::getObjectSize() + JSON_OBJECT_SIZE(2);
   size += sizeof(AUTOCONNECT_JSON_KEY_LABEL) + label.length() + 1 + sizeof(AUTOCONNECT_JSON_KEY_CHECKED);
   return size;
@@ -151,7 +179,7 @@ void AutoConnectCheckboxJson::serialize(JsonObject& json) {
  * Returns JSON object size.
  * @return  An object size for JsonBuffer.
  */
-size_t AutoConnectFileJson::getObjectSize() const {
+size_t AutoConnectFileJson::getObjectSize(void) const {
   size_t  size = AutoConnectElementJson::getObjectSize() + JSON_OBJECT_SIZE(2);
   size += sizeof(AUTOCONNECT_JSON_KEY_LABEL) + label.length() + 1 + sizeof(AUTOCONNECT_JSON_KEY_STORE) + sizeof(AUTOCONNECT_JSON_VALUE_EXTERNAL);
   return size; 
@@ -213,7 +241,7 @@ void AutoConnectFileJson::serialize(JsonObject& json) {
  * Returns JSON object size.
  * @return  An object size for JsonBuffer.
  */
-size_t AutoConnectInputJson::getObjectSize() const {
+size_t AutoConnectInputJson::getObjectSize(void) const {
   size_t  size = AutoConnectElementJson::getObjectSize() + JSON_OBJECT_SIZE(3);
   size += sizeof(AUTOCONNECT_JSON_KEY_LABEL) + label.length() + 1 + sizeof(AUTOCONNECT_JSON_KEY_PATTERN) + pattern.length() + 1 + sizeof(AUTOCONNECT_JSON_KEY_PLACEHOLDER) + placeholder.length() + 1;
   return size;
@@ -257,7 +285,7 @@ void AutoConnectInputJson::serialize(JsonObject& json) {
  * Returns JSON object size.
  * @return  An object size for JsonBuffer.
  */
-size_t AutoConnectRadioJson::getObjectSize() const {
+size_t AutoConnectRadioJson::getObjectSize(void) const {
   size_t  size = AutoConnectElementJson::getObjectSize() + JSON_OBJECT_SIZE(3) +  JSON_ARRAY_SIZE(_values.size());
   size += sizeof(AUTOCONNECT_JSON_KEY_LABEL) + label.length() + 1 + sizeof(AUTOCONNECT_JSON_KEY_ARRANGE) + sizeof(AUTOCONNECT_JSON_VALUE_HORIZONTAL) + sizeof(AUTOCONNECT_JSON_KEY_CHECKED);
   for (const String& _value : _values)
@@ -328,7 +356,7 @@ void AutoConnectRadioJson::serialize(JsonObject& json) {
  * Returns JSON object size.
  * @return  An object size for JsonBuffer.
  */
-size_t AutoConnectSelectJson::getObjectSize() const {
+size_t AutoConnectSelectJson::getObjectSize(void) const {
   size_t  size = AutoConnectElementJson::getObjectSize() + JSON_OBJECT_SIZE(2) + JSON_ARRAY_SIZE(_options.size());
   size += sizeof(AUTOCONNECT_JSON_KEY_LABEL) + label.length() + 1 + sizeof(AUTOCONNECT_JSON_KEY_SELECTED);
   for (const String& _option : _options)
@@ -380,7 +408,7 @@ void AutoConnectSelectJson::serialize(JsonObject& json) {
  * Returns JSON object size.
  * @return  An object size for JsonBuffer.
  */
-size_t AutoConnectSubmitJson::getObjectSize() const {
+size_t AutoConnectSubmitJson::getObjectSize(void) const {
   size_t  size = AutoConnectElementJson::getObjectSize();
   size += sizeof(AUTOCONNECT_JSON_KEY_URI) + uri.length() + 1;
   return size;
@@ -418,7 +446,7 @@ void AutoConnectSubmitJson::serialize(JsonObject& json) {
  * Returns JSON object size.
  * @return  An object size for JsonBuffer.
  */
-size_t AutoConnectTextJson::getObjectSize() const {
+size_t AutoConnectTextJson::getObjectSize(void) const {
   size_t  size = AutoConnectElementJson::getObjectSize() + JSON_OBJECT_SIZE(2);
   size += sizeof(AUTOCONNECT_JSON_KEY_STYLE) + style.length() + 1 + sizeof(AUTOCONNECT_JSON_KEY_FORMAT) + format.length() + 1;
   return size;