Display help despite missing required option #1091
Merged
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Pull Request
Fixes #1089 #1092
Problem
When ask for help but there is a missing required option, getting error instead of help, so can't find out more.
e.g.
Solution
Check for missing required options after checking for displaying help. This fix covers help for commands with action handlers, and help on the main program.
(It does not cover program with a required option and calling help on an executable subcommand, which seems an unlikely case. Deal with it if and when it comes up.)