In the generated help, hidden groups are still counted for alignment

[chipaca]

Given

package main

import "os"
import "github.com/jessevdk/go-flags"

type group struct {
	M bool `long:"a-very-long-option-name" description:"cue 'long long man' song"`
}

type options struct {
	A bool  `short:"a" description:"output should be aligned"`
	G group `group:"Group" hidden:"yes"`
	Z bool  `short:"z" description:"operator is asleep"`
}

func main() { flags.NewParser(&options{}, 0).WriteHelp(os.Stdout) }

you get

Usage:
  bug4

Application Options:
  -a                             output should be aligned
  -z                             operator is asleep