This commit updates URLs to prefer the https protocol. Redirects are not followed to avoid accidentally expanding intentionally shortened URLs (i.e. if using a URL shortener).

# Fixed URLs

## Fixed Success
These URLs were switched to an https URL with a 2xx status. While the status was successful, your review is still recommended.

* [ ] http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd with 1 occurrences migrated to:
  https://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd ([https](https://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd) result 200).

# Ignored
These URLs were intentionally ignored.

* http://www.w3.org/2000/svg with 1 occurrences