```ruby
module Haml
  class SafeErubisTemplate < Tilt::ErubisTemplate

    def initialize_engine
    end

    def prepare
      @options.merge! :engine_class => ActionView::Template::Handlers::Erubis
      super
    end

    def precompiled_preamble(locals)
      [super, "@output_buffer = ActionView::OutputBuffer.new;"].join("\n")
    end

    def precompiled_postamble(locals)
      [super, '@output_buffer.to_s'].join("\n")
    end
  end
end```

Use custom Erubis handler subclass for Erb filter
user
```ruby
module Haml

  class ErubisTemplateHandler < ActionView::Template::Handlers::Erubis

    def initialize(*args, &blk)
      @newline_pending = 0
      super
    end
  end

  class SafeErubisTemplate < Tilt::ErubisTemplate

    def initialize_engine
    end

    def prepare
      @options.merge! :engine_class => Haml::ErubisTemplateHandler
      super
    end

    def precompiled_preamble(locals)
      [super, "@output_buffer = ActionView::OutputBuffer.new;"].join("\n")
    end

    def precompiled_postamble(locals)
      [super, '@output_buffer.to_s'].join("\n")
    end
  end
end```
assistant