Here's the documentation v1 patch that I've come up with. Please review it.
There's a typo:
+ To run an arbitrary TAP test set, run <command>vcregress taptest</command> + comamnd. For example, use the following command for running subcription TAP + tests:
s/comamnd/command/
But also the wording, I like better what vcregress prints as help, so something like:
+ You can use <command>vcregress taptest TEST_DIR</command> to run an
+ arbitrary TAP test set, where TEST_DIR is a required argument pointing to + the directory where the tests reside. For example, use the following + command for running the subcription TAP tests: