@register.tag<EOL>def performable(parser, token):
bits = token.split_contents()<EOL>if len(bits) > <NUM_LIT:1>:<EOL><INDENT>raise TemplateSyntaxError("<STR_LIT>" % bits[<NUM_LIT:0>])<EOL><DEDENT>return PerformableNode()<EOL>
Performable template tag.

Renders Javascript code to set-up Performable tracking.  You must
supply your Performable API key in the ``PERFORMABLE_API_KEY``
setting.