rndr_blockquote(struct buf *ob, const struct buf *text, void *opaque)
{
	if (ob->size) bufputc(ob, '\n');
	BUFPUTSL(ob, "<blockquote>\n");
	if (text) bufput(ob, text->data, text->size);
	BUFPUTSL(ob, "</blockquote>\n");
}
rndr_blockquote(struct buf *ob, const struct buf *text, void *opaque)
{
	if (ob->size) bufputc(ob, '\n');
	BUFPUTSL(ob, "<blockquote>\n");
	if (text) bufput(ob, text->data, text->size);
	BUFPUTSL(ob, "</blockquote>\n");
}