Specifying the document type declaration (DOCTYPE) for web pages
About this task
An implicit document type is used for content assist (Ctrl+Spacebar), the Properties view, and other editing contexts when no DOCTYPE declaration is specified in an HTML, XHTML, or JSP file. Typically, this feature is used for a fragment (partial document) that can be included in other pages by using JSP include or server-side include.
To assign an implicit document type to an HTML, XHTML, or JSP fragment: