mishoo/UglifyJS — pull request #397 by rvanvelzen (2012-05-25 15:35:50+00:00)
Title: Optimize list of digits for generating identifiers for gzip compression. (fixes #142)

The list is based on reserved words and identifiers used in dot-expressions. It saves a quite a few bytes.

The savings are about 100 bytes on jQuery 1.7.2 and the same goes for Prototype.