Also, add tests to ensure they will always return this, and to confirm
they return this when these doc changes are back-ported to earlier
release lines.

PR-URL: nodejs#13553
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

PR-URL: nodejs#13989
Reviewed-By: Refael Ackermann <refack@gmail.com>

PR-URL: nodejs#14035
Refs: nodejs#14015
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

The v8 and test-hash-seed targets cannot be run in parallel because they
need different copies of the deps/v8 directory.

Ref: nodejs#14004 (comment)
PR-URL: nodejs#14219
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

* Take RegExp creation out of cycles.
* Use test(), not match() in boolean context.
* Remove redundant RegExp parts.

Backport-PR-URL: nodejs#14348
PR-URL: nodejs#13536
Reviewed-By: Anna Henningsen <anna@addaleax.net>

For consistency with 4.x and 8.x.

This commit also contains a forward port of
nodejs#14232 to confirm that 4.x and 6.x
behave identically with respect to the port argument.

PR-URL: nodejs#14234
Refs: nodejs#14205
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>

This is an initial step to eliminate most of parsing errors.

Backport-PR-URL: nodejs#14067
PR-URL: nodejs#12563
Refs: nodejs#12557 (comment)
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>

Backport-PR-URL: nodejs#14067
PR-URL: nodejs#12563
Refs: nodejs#12557 (comment)
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>

* Install eslint-plugin-markdown@1.0.0-beta.7
* Add doc/.eslintrc.yaml
* Add `plugins: [markdown]` to the main .eslintrc.yaml
* .js files in doc folder added to .eslintignore
* Update Makefile, vcbuild.bat, and tools/jslint.js

Refs: nodejs#12563
Refs: nodejs#12640
Refs: nodejs#14047

PR-URL: nodejs#14067
Reviewed-By: James Snell <jasnell@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

The `no-useless-regex-char-class-escape` custom lint rule was introduced
as a less aggressive alternative to some enhancements that were
introduced into ESLint. Those enhancements were blocking us from
updating ESLint. However, they have since been relaxed and the custom
rule is no longer needed. Remove it.

Backport-PR-URL: nodejs#14360
PR-URL: nodejs#10561
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>

In preparation for applying the more strict indentation linting
available in ESLint 4.0.0, correct minor indentation issues in
tools/eslint-rules/required-modules.js.

This is the only file with indentation that does not conform to the
stricter checks.

Backport-PR-URL: nodejs#14360
PR-URL: nodejs#13758
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

ESLint 4.0.0 provides stricter (and more granular) indentation checking
than previous versions. Apply the stricter indentation rules to the
tools directory.

Backport-PR-URL: nodejs#14360
PR-URL: nodejs#13758
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

Fix previously-unnoticed typo in `required-modules.js`.

Backport-PR-URL: nodejs#14360
Refs: nodejs#13758 (comment)
PR-URL: nodejs#13758
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

PR-URL: nodejs#13206
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Brian White <mscdex@mscdex.net>