How to use the diffoscope.presenters.html.html.escape function in diffoscope

if spl_current_page == 0: # on parent page
            if spl_rows < max_lines_parent:
                return
        else: # on child page
            # TODO: make this stay below the max, instead of going 1 row over the max
            # will require some backtracking...
            if spl_print_func.bytes_written < max_report_child_size:
                return

    spl_current_page += 1
    filename = "%s-%s.html" % (mainname, spl_current_page)

    if spl_current_page > 1:
        # previous page was a child, close it
        spl_print_func(templates.UD_TABLE_FOOTER % {"filename": html.escape(filename), "text": "load diff"}, force=True)
        spl_print_exit(None, None, None)

    # rotate to the next child page
    context = spl_file_printer(directory, filename)
    spl_print_enter(context, rotation_params)
    spl_print_func(templates.UD_TABLE_HEADER)

try:
        spl_print_func = print_func
        spl_print_ctrl = None, rotation_params
        truncated = not output_unified_diff_table(unified_diff, has_internal_linenos)
    except:
        if not spl_print_exit(*sys.exc_info()): raise
    else:
        spl_print_exit(None, None, None)
    finally:
        spl_print_ctrl = None
        spl_print_func = None

    if spl_current_page > 0:
        noun = "pieces" if spl_current_page > 1 else "piece"
        text = "load diff (%s %s%s)" % (spl_current_page, noun, (", truncated" if truncated else ""))
        print_func(templates.UD_TABLE_FOOTER % {"filename": html.escape("%s-1.html" % mainname), "text": text}, force=True)

def output_header(css_url, print_func):
    if css_url:
        css_link = '' % css_url
    else:
        css_link = ''
    print_func(templates.HEADER % {'title': html.escape(' '.join(sys.argv)),
                         'favicon': FAVICON_BASE64,
                         'css_link': css_link,
                        })

# special highlighted chars
        elif c == "\t" and ponct == 1:
            n = TABSIZE-(i%TABSIZE)
            if n == 0:
                n = TABSIZE
            t.write('<span class="diffponct">\xbb</span>'+'\xa0'*(n-1))
        elif c == " " and ponct == 1:
            t.write('<span class="diffponct">\xb7</span>')
        elif c == "\n" and ponct == 1:
            t.write('<br><span class="diffponct">\</span>')
        elif ord(c) &lt; 32:
            conv = u"\\x%x" % ord(c)
            t.write('<em>%s</em>' % conv)
            i += len(conv)
        else:
            t.write(html.escape(c))
            i += 1

        if WORDBREAK.count(c) == 1:
            t.write('\u200b')
            i = 0
        if i &gt; LINESIZE:
            i = 0
            t.write('\u200b')

    return t.getvalue()

def output_difference(difference, print_func, css_url, directory, parents):
    logger.debug('html output for %s', difference.source1)
    sources = parents + [difference.source1]
    print_func(u'<div class="difference">')
    try:
        print_func(u'<div class="diffheader">')
        if difference.source1 == difference.source2:
            print_func(u'<div class="diffcontrol">[−]</div>')
            print_func(u'<div><span class="source">%s</span>'
                       % html.escape(difference.source1))
        else:
            print_func(u'<div class="diffcontrol diffcontrol-double">[−]</div>')
            print_func(u'<div><span class="source">%s</span> vs.</div>'
                       % html.escape(difference.source1))
            print_func(u'<div><span class="source">%s</span>'
                       % html.escape(difference.source2))
        anchor = escape_anchor('/'.join(sources[1:]))
        print_func(u' <a name="%s" href="#%s" class="anchor">\xb6</a>' % (anchor, anchor))
        print_func(u"</div>")
        if difference.comments:
            print_func(u'<div class="comment">%s</div>'
                       % u'<br>'.join(map(html.escape, difference.comments)))
        print_func(u"</div>")
        if difference.unified_diff:
            output_unified_diff(print_func, css_url, directory, difference.unified_diff, difference.has_internal_linenos)
        for detail in difference.details:
            output_difference(detail, print_func, css_url, directory, sources)
    except PrintLimitReached:
        logger.debug('print limit reached')
        raise
    finally:
        print_func(u"</div>", force=True)</div>

def output_difference(difference, print_func, css_url, directory, parents):
    logger.debug('html output for %s', difference.source1)
    sources = parents + [difference.source1]
    print_func(u'<div class="difference">')
    try:
        print_func(u'<div class="diffheader">')
        if difference.source1 == difference.source2:
            print_func(u'<div class="diffcontrol">[−]</div>')
            print_func(u'<div><span class="source">%s</span>'
                       % html.escape(difference.source1))
        else:
            print_func(u'<div class="diffcontrol diffcontrol-double">[−]</div>')
            print_func(u'<div><span class="source">%s</span> vs.</div>'
                       % html.escape(difference.source1))
            print_func(u'<div><span class="source">%s</span>'
                       % html.escape(difference.source2))
        anchor = escape_anchor('/'.join(sources[1:]))
        print_func(u' <a name="%s" href="#%s" class="anchor">\xb6</a>' % (anchor, anchor))
        print_func(u"</div>")
        if difference.comments:
            print_func(u'<div class="comment">%s</div>'
                       % u'<br>'.join(map(html.escape, difference.comments)))
        print_func(u"</div>")
        if difference.unified_diff:
            output_unified_diff(print_func, css_url, directory, difference.unified_diff, difference.has_internal_linenos)
        for detail in difference.details:
            output_difference(detail, print_func, css_url, directory, sources)
    except PrintLimitReached:
        logger.debug('print limit reached')
        raise</div></div>

def output_difference(difference, print_func, css_url, directory, parents):
    logger.debug('html output for %s', difference.source1)
    sources = parents + [difference.source1]
    print_func(u'<div class="difference">')
    try:
        print_func(u'<div class="diffheader">')
        if difference.source1 == difference.source2:
            print_func(u'<div class="diffcontrol">[−]</div>')
            print_func(u'<div><span class="source">%s</span>'
                       % html.escape(difference.source1))
        else:
            print_func(u'<div class="diffcontrol diffcontrol-double">[−]</div>')
            print_func(u'<div><span class="source">%s</span> vs.</div>'
                       % html.escape(difference.source1))
            print_func(u'<div><span class="source">%s</span>'
                       % html.escape(difference.source2))
        anchor = escape_anchor('/'.join(sources[1:]))
        print_func(u' <a name="%s" href="#%s" class="anchor">\xb6</a>' % (anchor, anchor))
        print_func(u"</div>")
        if difference.comments:
            print_func(u'<div class="comment">%s</div>'
                       % u'<br>'.join(map(html.escape, difference.comments)))
        print_func(u"</div>")
        if difference.unified_diff:
            output_unified_diff(print_func, css_url, directory, difference.unified_diff, difference.has_internal_linenos)
        for detail in difference.details:</div></div>