Chrome OS is, of course, just Linux that runs Chrome. I think you can use the “Compose” key just as in any other Linux, but you need a way to set it up. This plugin says it does what you need. (Disclaimer! I haven’t used it!)
EVAM ME SUTAM—
ekam samayam bhagavā sāvatthiyam viharati jetavane anāthapiņḑikassa ārāme.
Magic. Thank you, Bhante.
I figured out how to add underdots to ComposeKey!
EVAṂ ME SUTAṂ—
ekaṃ samayaṃ bhagavā sāvatthiyaṃ viharati jetavane anāthapiņḑikassa ārāme.
Could you share simple explanation of how you did this please?
Yes. Writing a blog post tomorrow.
Super! (I have long had underdot envy).