tree b918062df71bd7247c93cfd6f4e6f2db282ba643
parent c63615ba211b40674da55e0c5859be0ec76f8221
author Robert Nystrom <rnystrom@google.com> 1597091249 -0700
committer Robert Nystrom <rnystrom@google.com> 1597091249 -0700

Add "--verbose" to "--help" and hide most options normally.

Makes the "dart format help" and error messages much easier on the eyes.

Fix #938.