Add support for Fragmention links to WordPress.
Fragmention is a method of linking to any text in a web page proposed by Kevin Marks. It uses a double hash syntax appended to a URL with the text following the two hash marks, using plus symbols to replace spaces. For example:
This removes the need for site developers to hard-code ID attributes into their site’s tags and gives users a completely flexible way to point to exactly the text they want to reference within a page.