Template:!:

:

Template documentation follows
Note: the template above may sometimes be partially or fully invisible.
Visit "Template:!:/doc" to edit its documentation if it is available. (How does this work?)

This template, like some other formatting templates is a workaround for wiki markup behavior.

• In this case, it allows a colon to terminate a minor title-line (i.e. in definition lists) begun with a semi-colon.

• It just provides the string:

  <nowiki>:</nowiki>