Explaining reasons for a NPE

Public API to disallow classes from rt.jar

undefined error when result of split was just one element

In case on Bundle_xx.properties are found, return null rather than throwing an exception

System.getProperty('os.name') does not throw exception in javax.script mode

Brinding Martin's long arithmetic improvements to default, so EnumSets really work

Prefix well-known static enum fields with fld_

Don't provide resources from rt.jar when generating bck2brwsr.js as the minimal library is not self contained anymore - but we still want as small bck2brwsr.js as possible

Use typeof console to check for its presence

Conditional logging to run in a worker thread