* Test the toHTML function in html.js. Check that given valid markdown
it produces the expected html. One test case will prevent regressions
of #5873.
* Check that when given valid markdown toJSON produces valid JSON with
the expected schema.
* Add doctool to the list of built in tests so it runs in CI.
PR-URL: https://github.com/nodejs/node/pull/6031
Fixes: https://github.com/nodejs/node/issues/5955
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Ian Kronquist