# File lib/kwartz/converter.rb, line 184
    def apply(ruleset)
      r = ruleset
      @stag_expr = _to_native_expr(r.stag) if r.stag
      @cont_expr = _to_native_expr(r.cont) if r.cont
      @etag_expr = _to_native_expr(r.etag) if r.etag
      @elem_expr = _to_native_expr(r.elem) if r.elem
      if @cont_expr
        @cont_stmts = [ PrintStatement.new([@cont_expr]) ]
        @stag_info.tail_space = ''
        @etag_info.head_space = ''
        @etag_info.rebuild_tag_text()
      end
      r.remove.each do |aname|
        @attr_info.delete(aname)
      end if r.remove
      r.attrs.each do |aname, avalue|
        @attr_info[aname] = _to_native_expr(avalue)
      end if r.attrs
      r.append.each do |expr|
        (@append_exprs ||= []) << _to_native_expr(expr)
      end if r.append
      @tagname = r.tagname if r.tagname
      @logic  = r.logic  if r.logic
      (@before ||= []).concat(r.before) if r.before
      (@after  ||= []).concat(r.after)  if r.after
    end