XML documents tend to use longer tag names to improve readability and to avoid versioning conflicts. The amount of time spent on typing XML and HTML tags can be reduced by using this keyboard shortcut to close tags.
The MarkUp Validation Service provided by the World Wide Web Consortium (W3C) is one of the most used validators on the web. HTML-Kit makes it possible to validate the current HTML / XHTML file in the editor with a single click.