jashkenas/coffeescript

* Passthrough exponentiation operator; remove tests that are invalid JavaScript

* Treat **= as a passthrough assignment

* Get tests passing in Node 6

* Improve scoping

* Move exponentiation tests into their own file, now that it's filtered out by Cakefile

* Restore original test

* Support ES2018 regex dotall flag

* Test in Node 9

* Alphabetize regex flags

* Split regex dotall test into its own file, use new feature detection method of loading it

* Update docs to explain compatibility for ES2018 and newer Node features

* Remove unnecessary paragraph

* async iterators

* tests; refactor 'For' grammar rules

* async iterator tests

* formatting

`assert.throws` did not test for the error message so far. This
changes it to actually test for the error message.

* object rest/spread

* merge branch 'master' into 'object_rest_spread'

* explore

* Revert "merge branch 'master' into 'object_rest_spread'"

This reverts commit eeeffef.

* Revert "explore"

This reverts commit d21cd72.

* split tests

* improvements

* unassignable rest property

* cleanup

* formatting, cleanup

* handle non-final object-destructured splat

* merge with @helixbass's branch

* Move analytics initialization into docs.coffee

* Bump Bootstrap and CodeMirror versions

* Update output

* Merge CodeMirror styles

* Update CodeMirror styles

* Better flexbox layout for docs, including flex auto-sized sidebar and main column

* Minor styling fixes for Edge

* Fix scrollspy for new layout

* Update output

* Clicking on the CoffeeScript logo in the navbar should scroll to top; fix main column width on mobile

* Update output

* Move analytics initialization into docs.coffee

* Bump Bootstrap and CodeMirror versions

* Update output

* Merge CodeMirror styles

* Update CodeMirror styles

* Better flexbox layout for docs, including flex auto-sized sidebar and main column

* Minor styling fixes for Edge

* Fix scrollspy for new layout

* Update output

* Clicking on the CoffeeScript logo in the navbar should scroll to top; fix main column width on mobile

* Update output

* 2.3.0 changelog

* Update operators section for **

* Update docs for ES2018 object rest/spread

* Remove references to Node's experimental modules support

* Move the README coffee cup to the right side, so our name isn't cut off on the NPM page; update README and CONTRIBUTING text

* Update dependencies

* Add compatibility note for async generators

* Bump version to 2.3.0 and update output

* Have CI test in Node 10 instead of 9

* Somehow this gets generated slightly differently in Node 10

* Fix #4042: Update broken link