old_contents: import click
  from   ghutil.util import default_command, package_group
  
  @package_group(__package__, __file__, invoke_without_command=True)
  @click.pass_context
  def cli(ctx):
      """ Manage pull requests """
      default_command(ctx, 'list')
  
new_contents: import click
  from   ghutil.util import default_command, package_group
  
  @package_group(__package__, __file__, invoke_without_command=True)
  @click.pass_context
  def cli(ctx):
      """
      Manage pull requests
  
      GitHub pull requests may be specified on the command line using any of the
      following formats:
  
      \b
          $OWNER/$REPO/$NUMBER
          $REPO/$NUMBER    # for repositories owned by the current user
          $NUMBER          # for PRs of the locally-cloned repository
          https://github.com/$OWNER/$REPO/pull/$NUMBER
          https://api.github.com/repos/$OWNER/$REPO/pulls/$NUMBER
      """
      default_command(ctx, 'list')
  
subject: Document PR command line syntax