func (e *Engine) Plain(names ...string) Renderer {
	hr := &templateRenderer{
		Engine:      e,
		contentType: "text/plain; charset=utf-8",
		names:       names,
	}
	return hr
}
func (e *Engine) Plain(names ...string) Renderer {
	hr := &templateRenderer{
		Engine:      e,
		contentType: "text/plain; charset=utf-8",
		names:       names,
	}
	return hr
}
// Plain renders the named files using the 'text/plain'
// content type and the github.com/gobuffalo/plush
// package for templating. If more than 1 file is provided
// the second file will be considered a "layout" file
// and the first file will be the "content" file which will
// be placed into the "layout" using "<%= yield %>".