Rendering error of documentation

On https://radiac.net/projects/django-tagulous/documentation/views/#tag_clouds there is a rendering error of documentation:

`example project templates`__
^

with traceback:

Traceback (most recent call last):
  File "/project/django_markuple/utils.py", line 15, in convert
    content = parser.parse_string(raw).as_html(context)
  File "/project/markuple/parser.py", line 80, in parse_string
    return self.parse_lines(raw.splitlines())
  File "/project/markuple/parser.py", line 100, in parse_lines
    self.parse_tree(self.root)
  File "/project/markuple/parser.py", line 144, in parse_tree
    e.reraise()
  File "/project/markuple/parser.py", line 129, in parse_tree
    block.value = self.parse_value(block.value)
  File "/project/markuple/parser.py", line 153, in parse_value
    e.reraise()
  File "/project/markuple/parser.py", line 150, in parse_value
    return self.inline_parser.parse(raw)
  File "/project/markuple/inlines/parser.py", line 223, in parse
    'Unmatched inline "%s"' % pos.cls.name, char=pos.start,
ParseError: Unmatched inline "underline" (line 17, char 28)

radiac / django-tagulous

Rendering error of documentation #147