Fixing dependency on Loofah::Helpers in a core method.

Fixes #75. #OSL

CHANGELOG.rdoc

@@ -1,5 +1,12 @@
 = Changelog
 
+== 2.0.2 / unreleased
+
+Bug fixes:
+
+* Fix error with `#to_text` when Loofah::Helpers hadn't been required. #75
+
+
 == 2.0.1 / 2014-08-21
 
 Bug fixes:

lib/loofah.rb

@@ -74,5 +74,9 @@ def scrub_xml_document(string_or_io, method)
       Loofah.xml_document(string_or_io).scrub!(method)
     end
 
+    # A helper to remove extraneous whitespace from text-ified HTML
+    def remove_extraneous_whitespace(string)
+      string.gsub(/\n\s*\n\s*\n/,"\n\n")
+    end
   end
 end

lib/loofah/helpers.rb

@@ -33,9 +33,10 @@ def sanitize_css style_string
 
       #
       #  A helper to remove extraneous whitespace from text-ified HTML
+      #  TODO: remove this in a future major-point-release.
       #
       def remove_extraneous_whitespace(string)
-        string.gsub(/\n\s*\n\s*\n/,"\n\n")
+        Loofah.remove_extraneous_whitespace string
       end
     end
 

lib/loofah/instance_methods.rb

@@ -113,7 +113,7 @@ def text(options={})
     #    # => "\nTitle\n\nContent\n"
     #
     def to_text(options={})
-      Loofah::Helpers.remove_extraneous_whitespace self.dup.scrub!(:newline_block_elements).text(options)
+      Loofah.remove_extraneous_whitespace self.dup.scrub!(:newline_block_elements).text(options)
     end
   end