diff --git a/lib/haml/helpers.rb b/lib/haml/helpers.rb
index 1db4505e..749c1c6e 100644
--- a/lib/haml/helpers.rb
+++ b/lib/haml/helpers.rb
@@ -254,13 +254,13 @@ module Haml
     # the local variable <tt>foo</tt> would be assigned to "<p>13</p>\n".
     #
     def capture_haml(*args, &block)
-      buffer = eval('_hamlout', block) rescue haml_buffer
+      buffer = eval('_hamlout', block.binding) rescue haml_buffer
       with_haml_buffer(buffer) do
         position = haml_buffer.buffer.length
 
         block.call(*args)
 
-        captured = haml_buffer.buffer.slice!(position..-1)
+        captured = haml_buffer.buffer.slice!(position..-1).split(/^/)
 
         min_tabs = nil
         captured.each do |line|
@@ -412,7 +412,7 @@ END
 
     # Returns whether or not +block+ is defined directly in a Haml template.
     def block_is_haml?(block)
-      eval('_hamlout', block)
+      eval('_hamlout', block.binding)
       true
     rescue
       false
diff --git a/lib/haml/helpers/action_view_mods.rb b/lib/haml/helpers/action_view_mods.rb
index b9c89d10..38630fe1 100644
--- a/lib/haml/helpers/action_view_mods.rb
+++ b/lib/haml/helpers/action_view_mods.rb
@@ -17,7 +17,7 @@ if defined?(ActionView) and not defined?(Merb::Plugins)
       alias_method :render, :render_with_haml
 
       # Rails >2.1
-      if instance_methods.include?('output_buffer')
+      if Haml::Util.has?(:instance_method, self, :output_buffer)
         def output_buffer_with_haml
           return haml_buffer.buffer if is_haml?
           output_buffer_without_haml
@@ -44,7 +44,7 @@ if defined?(ActionView) and not defined?(Merb::Plugins)
       # In Rails <=2.1, we've got to override considerable capturing infrastructure.
       # In Rails >2.1, we can make do with only overriding #capture
       # (which no longer behaves differently in helper contexts).
-      unless ActionView::Base.instance_methods.include?('output_buffer')
+      unless Haml::Util.has?(:instance_method, ActionView::Base, :output_buffer)
         module CaptureHelper
           def capture_with_haml(*args, &block)
             # Rails' #capture helper will just return the value of the block
diff --git a/lib/haml/util.rb b/lib/haml/util.rb
index df487a7c..f0c34092 100644
--- a/lib/haml/util.rb
+++ b/lib/haml/util.rb
@@ -5,6 +5,8 @@ module Haml
   module Util
     class << self; include Haml::Util; end
 
+    RUBY_VERSION = ::RUBY_VERSION.split(".").map {|s| s.to_i}
+
     def to_hash(arr)
       arr.compact.inject({}) {|h, (k, v)| h[k] = v; h}
     end
@@ -32,6 +34,14 @@ module Haml
       end
     end
 
+    def ruby1_8?
+      Haml::Util::RUBY_VERSION[0] == 1 && Haml::Util::RUBY_VERSION[1] < 9
+    end
+
+    def has?(attr, klass, method)
+      klass.send("#{attr}s").include?(ruby1_8? ? method.to_s : method.to_sym)
+    end
+
     class StaticConditionalContext
       def initialize(set)
         @set = set
diff --git a/test/benchmark.rb b/test/benchmark.rb
index 2bb8160d..de9ed36e 100755
--- a/test/benchmark.rb
+++ b/test/benchmark.rb
@@ -17,7 +17,7 @@ require File.dirname(__FILE__) + '/linked_rails'
    action_view action_pack haml/template rbench].each {|dep| require(dep)}
 
 def view
-  unless ActionView::Base.instance_methods.include? 'finder'
+  unless Haml::Util.has?(:instance_method, ActionView::Base, :finder)
     return ActionView::Base.new(File.dirname(__FILE__), {})
   end
 
diff --git a/test/haml/template_test.rb b/test/haml/template_test.rb
index fd31c905..b756b5c5 100644
--- a/test/haml/template_test.rb
+++ b/test/haml/template_test.rb
@@ -38,7 +38,7 @@ class TemplateTest < Test::Unit::TestCase
   def setup
     vars = { 'article' => Article.new, 'foo' => 'value one' }
     
-    unless ActionView::Base.instance_methods.include? 'finder'
+    unless Haml::Util.has?(:instance_method, ActionView::Base, :finder)
       @base = ActionView::Base.new(TEMPLATE_PATH, vars)
     else
       # Rails 2.1.0
@@ -46,7 +46,7 @@ class TemplateTest < Test::Unit::TestCase
       @base.finder.append_view_path(TEMPLATE_PATH)
     end
     
-    if @base.private_methods.include?('evaluate_assigns')
+    if Haml::Util.has?(:private_method, @base, :evaluate_assigns)
       @base.send(:evaluate_assigns)
     else
       # Rails 2.2