def do_url_scheme(parser, token):
args = token.split_contents()<EOL>if len(args) != <NUM_LIT:1>:<EOL><INDENT>raise template.TemplateSyntaxError('<STR_LIT>' % args[<NUM_LIT:0>])<EOL><DEDENT>return OEmbedURLSchemeNode()<EOL>
Generates a &lt;link&gt; tag with oembed autodiscovery bits.

{% oembed_url_scheme %}