Alec Thomas fdc7230e22 Separate validation into a distinct step. ...

This allows help to be called even when the parse trace is invalid.
Without this, the command-line would have to be valid in order to use
help at all, which defeats the purpose.

2018-05-31 15:20:45 +10:00

..

shell

Separate validation into a distinct step.

2018-05-31 15:20:45 +10:00