to support passing commas in strings in for example:

uglifyjs2 -cd TEST="'a,b'" <<EOF
c...

we need to mangle names from outermost to innermost scope; mangling names
from inner scopes befo...

pass `false` to separate statements with newlines instead of semicolons

also add test for "drop_unused" (the last one fails for now)

the following code in benchmark.js triggered the issue:

support.decompilation = Function(
...

is_digit takes a char code now, not a string

operations are destructive anyway, so there's no point to clone the nodes in
the transformer. s...

so that the optimization that drops the name if unused doesn't apply.
close #12

string is keyword, reserved etc.

speeds up the parser a bit, though not spectacular.. still far ...

- use prototype-less objects where feasible (minor speed improvement)
- get rid of HOP

close #11

- use MAP.splice instead of a BlockStatement to inject code (avoids some
warnings in the linte...

hopefully we can make the AST documentation self-generating

displays a rather cruel description of the AST classes, derived
directly from the node definitions.

Fix crash in minify function

When inSourceMap is omitted fs.readFile throws exception. Fixed version
calls fs.readFile only w...

(refs #7)

map from, so just use "?". and in any case, don't fail hard when addMapping throws.

returns an UglifyJS2 AST given a Mozilla AST. Still needs some work to do
(need to create speci...

(bug in our code prevented the mangler from using a name that was in use
prior to mangling but n...

(getters/setters + various browser bugs will trigger side effects; also, an
exception is thrown ...

This is useful while compressing generated code; for example compressing JS
compiled by CoffeeSc...

referenced and have no side effects