nah, if you use `unicode-bidi: bidi-override` and force `direction: rtl` it'll still flow top to bottom. a conlang I speak is cursive RTL so I've made extensive use of this. side-note: it's a major peeve of mine that Unicode's entire Private Use Area is plain Latin in terms of properties. there's no way of setting RTL other than using CSS or prefixing an RTL Override character, which gets old fast in text editors. no font system, including Graphite, lets you override Unicode glyph properties to my knowledge.