In era-staccato-lib.js, wrote an alternate implementation of `rev-onto` in terms of a fold. This is like the way it's implemented in era-avl.js.
In era-staccato-lib.js, wrote an alternate implementation of `rev-onto` in terms of a fold. This is like the way it's implemented in era-avl.js.

rocketnia/era,era-platform/cene,rocketnia/era-cene,rocketnia/era,rocketnia/era-cene,rocketnia/era,era-platform/cene,rocketnia/era-cene,era-platform/cene