Split man.test to make tests pass without oniguruma (#2722)

docs/README.md

@@ -5,22 +5,22 @@ The jq website, manpages and some of the tests are generated from this
 directory. The manual is a YAML file in `content/manual`.
 
 To build the documentation (including building the jq manpage), you'll
-need python3 and pipenv. You can install pipenv like so:
+need `python3` and `pipenv`. You can install `pipenv` like so:
 
     pip install pipenv
 
-Though, you may need to say pip3 instead, depending on your system. Once
-you have pipenv installed, you can install the dependencies by running
-`pipenv install` from the `docs` directory.
+Though, you may need to say `pip3` instead, depending on your system. Once
+you have `pipenv` installed, you can install the dependencies by running
+`pipenv sync` from the `docs` directory.
 
 Also, you may need to run `virtualenv -p /usr/bin/python3 venv/` and
-then `source venv/bin/activate`, and only then `pipenv install`.
+then `source venv/bin/activate`, and only then `pipenv sync`.
 
 Once this is done, rerun `./configure` in the jq root directory and then
 the Makefile will be able to generate the jq manpage.  You can also just
 run `pipenv run build_manpage.py` in the `docs` directory to build the
 `jq.1` page manually, and `pipenv run build_mantests.py` to build the
-contents of `tests/man.test`.
+contents of `tests/man.test` and `tests/manonig.test`.
 
 To build the website, run `pipenv run ./build_website.py` from inside
 the `docs` directory.