In era-reader.js, renamed some variables to "$" rather than variants like "$sub" when those variants weren't needed for avoidance of shadowing.
In era-reader.js, renamed some variables to "$" rather than variants like "$sub" when those variants weren't needed for avoidance of shadowing.

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