I'm using Redcarpet Markdown on my Rails site. Often I'd like to add classes (or other attributes) to a paragraph, table or other element, but it doesn't allow it. If I replace the markdown element with HTML, then I need to replace the inside markdown with HTML too, which is a nuisance. For example, I want to add the class "table" to the markdown table element (so it get's Bootstrap's table stylin

