[jmull]

Well, people could settle on a common templating syntax without making it a language feature. The fact that they haven't tells you it's not that important, relative to other concerns.

It's not like "figure out how to parse the string, extract the template slots, and pass the correct arguments into the correct slots" is rocket science.

And it's not like people are going to rewrite the numerous existing libraries for this kind of thing. The new tagged-template APIs are going transform their arguments and call the existing APIs.

I guess it's nice that new Javascript-specific templating languages can have common escaping syntax. It's just hard to get excited about the 15th standard.