diff --git a/CHANGELOG.rdoc b/CHANGELOG.rdoc
index ac666d1a..5041e5d7 100644
--- a/CHANGELOG.rdoc
+++ b/CHANGELOG.rdoc
@@ -8,6 +8,7 @@
   * Add form_class configuration option (by github.com/fagiani)
   * Default step of "any" for number input with non integer attributes (by github.com/fedesoria)
   * Add option to disable HTML5 browser validations on all forms (by github.com/coryschires)
+  * Add option to diable all HTML% extensions (by github.com/wolframarnold)
 
 * bug fix
   * Fix for file attributes automatic detection, to work with virtual attributes
diff --git a/lib/generators/simple_form/templates/simple_form.rb b/lib/generators/simple_form/templates/simple_form.rb
index de999a24..44d62a0b 100644
--- a/lib/generators/simple_form/templates/simple_form.rb
+++ b/lib/generators/simple_form/templates/simple_form.rb
@@ -64,6 +64,11 @@ SimpleForm.setup do |config|
   # Tell browsers whether to use default HTML5 validations (novalidate option). Default is enabled.
   # config.disable_browser_validations = false
 
+  # Determines whether HTML5 types (:email, :url, :search, :tel) and attributes (e.g. required) are used
+  # or not. True by default.
+  # Having this on in non-HTML5 compliant sites can cause odd behavior in HTML5-aware browsers such as Chrome.
+  # config.use_html5 = true
+
   # Custom mappings for input types. This should be a hash containing a regexp
   # to match as key, and the input type that will be used when the field name
   # matches the regexp as value.
@@ -83,9 +88,4 @@ SimpleForm.setup do |config|
 
   # When false, do not use translations for labels, hints or placeholders.
   # config.translate = true
-
-  # Determines whether HTML5 types (:email, :url, :search, :tel) and attributes (e.g. required) are used
-  # or not. True by default.
-  # Having this on in non-HTML5 compliant sites can cause odd behavior in HTML5-aware browsers such as Chrome.
-  # config.use_html5 = true
 end
diff --git a/lib/simple_form.rb b/lib/simple_form.rb
index e3c3ab23..5076ff09 100644
--- a/lib/simple_form.rb
+++ b/lib/simple_form.rb
@@ -95,6 +95,12 @@ module SimpleForm
   mattr_accessor :disable_browser_validations
   @@disable_browser_validations = false
 
+  # Determines whether HTML5 types (:email, :url, :search, :tel) and attributes (e.g. required) are used
+  # or not. True by default.
+  # Having this on in non-HTML5 compliant sites can cause odd behavior in HTML5-aware browsers such as Chrome.
+  mattr_accessor :use_html5
+  @@use_html5 = true
+
   # Collection of methods to detect if a file type was given.
   mattr_accessor :file_methods
   @@file_methods = [ :mounted_as, :file?, :public_filename ]
@@ -122,12 +128,6 @@ module SimpleForm
   mattr_accessor :translate
   @@translate = true
 
-  # Determines whether HTML5 types (:email, :url, :search, :tel) and attributes (e.g. required) are used
-  # or not. True by default.
-  # Having this on in non-HTML5 compliant sites can cause odd behavior in HTML5-aware browsers such as Chrome.
-  mattr_accessor :use_html5
-  @@use_html5 = true
-
   # Default way to setup SimpleForm. Run rails generate simple_form:install
   # to create a fresh initializer with all configuration values.
   def self.setup