self-closing

Etymology
From.

Adjective

 * 1) Closing automatically after having been opened.
 * 2)  In the form of (for example) html or html, without containing any content, as opposed to (for example) html, which is composed of an opening (html) and a closing (html) tag.
 * 1)  In the form of (for example) html or html, without containing any content, as opposed to (for example) html, which is composed of an opening (html) and a closing (html) tag.