We don't need a special html_escape for 1.8 anymore

activesupport/lib/active_support/core_ext/string/output_safety.rb

@@ -6,33 +6,21 @@ module Util
     HTML_ESCAPE = { '&' => '&amp;',  '>' => '&gt;',   '<' => '&lt;', '"' => '&quot;' }
     JSON_ESCAPE = { '&' => '\u0026', '>' => '\u003E', '<' => '\u003C' }
 
-    # Detect whether 1.9 can transcode with XML escaping.
-    if '"&gt;&lt;&amp;&quot;"' == ('><&"'.encode('utf-8', :xml => :attr) rescue false)
-      # A utility method for escaping HTML tag characters.
-      # This method is also aliased as <tt>h</tt>.
-      #
-      # In your ERB templates, use this method to escape any unsafe content. For example:
-      #   <%=h @person.name %>
-      #
-      # ==== Example:
-      #   puts html_escape("is a > 0 & a < 10?")
-      #   # => is a &gt; 0 &amp; a &lt; 10?
-      def html_escape(s)
-        s = s.to_s
-        if s.html_safe?
-          s
-        else
-          s.encode(s.encoding, :xml => :attr)[1...-1].html_safe
-        end
-      end
-    else
-      def html_escape(s) #:nodoc:
-        s = s.to_s
-        if s.html_safe?
-          s
-        else
-          s.gsub(/[&"><]/n) { |special| HTML_ESCAPE[special] }.html_safe
-        end
+    # A utility method for escaping HTML tag characters.
+    # This method is also aliased as <tt>h</tt>.
+    #
+    # In your ERB templates, use this method to escape any unsafe content. For example:
+    #   <%=h @person.name %>
+    #
+    # ==== Example:
+    #   puts html_escape("is a > 0 & a < 10?")
+    #   # => is a &gt; 0 &amp; a &lt; 10?
+    def html_escape(s)
+      s = s.to_s
+      if s.html_safe?
+        s
+      else
+        s.encode(s.encoding, :xml => :attr)[1...-1].html_safe
       end
     end