gistfile1.txt

#main
  %span#message
    %table
      %tr
        %td
          Hello, world
        %td
          This is a test.

gistfile2.txt

10> T = herml_parser:file("tests/examples/hello_world.herml").
[{{tag_decl,[{tag_name,"div"},{id,"main"}]},
  [{{tag_decl,[{tag_name,"span"},{id,"message"}]},
    [{{tag_decl,[{tag_name,"table"}]},
      [{{tag_decl,[{tag_name,"tr"}]},
        [{{tag_decl,[{tag_name,"td"}]},
          [{"          Hello, world",[]}]},
         {{tag_decl,[{tag_name,"td"}]},
          [{"          This is a test.",[]}]}]}]}]}]}]
11> io:format("~s", [herml_htmlizer:render(T)]).              
<div id="main>
<span id="message>
<table>
<tr>
<td>
          Hello, world
</td>
<td>
          This is a test.
</td>
</tr>
</table>
</span>
</div>
ok
12>