But this makes such DSLs more regular and less ad-hoc than what people are using now, which are completely custom templating engines. If you don't like templati

But this makes such DSLs more regular and less ad-hoc than what people are using now, which are completely custom templating engines. If you don't like templating at all that's one thing -- although even non-template-based APIs for constructing things like HTML, SQL, and JSON are no less of a DSL -- but it is already popular in the Java world.