Ah is that what it was. Mixing ltr and rtl text always trips me up. To make matters even weirder it seems that sequences of nummerals, such as ١٠ are ltr again.

Ah is that what it was. Mixing ltr and rtl text always trips me up. To make matters even weirder it seems that sequences of nummerals, such as ١٠ are ltr again. That has some very unintuitive consequences when you try to edit that sentence.