return run(("%s/help.chm" % path).replace("/", '\\'))
        else:
            return run("yelp %s" % path)
    return browser("http://fossil.include-once.org/streamtuner2/doc/tip/help/html/index.html")

# Invokes player/recorder for stream url and format
def run_fmt_url(row={}, audioformat="audio/mpeg", source="pls", assoc={}, append=None, cmd=None, add_default=True):
    # look for specific "audio/type"
    if audioformat in handler:
        return handler[audioformat](row, audioformat, source, assoc)
    # or "urn:service:…" resolvers (though this is usally done by genericchannel.row() already)
    elif row.get("url", "").startswith("urn:"):
        row = resolve_urn(row) or row

    # use default handler for mime type
    if not cmd:
        cmd = mime_app(audioformat, assoc)
    # replace %u, %url or $title placeholders
    cmd = interpol(cmd, source, row, add_default=add_default)
    if append:
        cmd = re.sub('(["\']?\s*)$', " " + append + "\\1", cmd)
    run(cmd)

# Start web browser
def browser(url):
    run_fmt_url({"url": url, "homepage": url}, "url/http", "srv", conf.play)

# Calls player for stream url and format
def play(row={}, audioformat="audio/mpeg", source="pls"):