My curl complains when -J/--remote-header-name and -C/--continue-at is combined.

  $ curl -JLOC- "https://news.ycombinator.com/news.css?nZdOgS3Y18zj0ynCo50h"
  curl: --continue-at and --remote-header-name cannot be combined
  curl: try 'curl --help' or 'curl --manual' for more information