This means the Closure Compiler does not try and rename them in advanced mode, which would break everything. All tests pass when Closure Compiled, as long as you specify the jQuery contrib extern. If things are gzipped, saves another 10% over simple gzipped.
File sizes:
Before this PR, full size: 9285
Uncompressed, ungzipped: 9375
Simple CC, ungzipped: 5365 (57% of full size)
Advanced CC, ungzipped: 4241 (45%)
Uncompressed, gzipped: 2423 (26%)
Simple CC, gzipped: 1702 (18%) (70% of uncompressed gzipped)
Advanced CC, gzipped: 1517 (16%) (63% of uncompressed gzipped)
This means the Closure Compiler does not try and rename them in advanced mode, which would break everything. All tests pass when Closure Compiled, as long as you specify the jQuery contrib extern. If things are gzipped, saves another 10% over simple gzipped.
File sizes: