code: func removeIndent(spec []string) []string {
  	loc := rxIndent.FindStringIndex(spec[0])
  	if loc[1] > 0 {
  		for i := range spec {
  			if len(spec[i]) >= loc[1] {
  				spec[i] = spec[i][loc[1]-1:]
  			}
  		}
  	}
  	return spec
  }
docs: // removes indent base on the first line