功能：
Eclipse HTML Editor is an Eclipse plugin for HTML/JSP/XML Editing. It works on Eclipse 3.0 (or higher), JDT and GEF. It has following features.
- HTML/JSP/XML/CSS/DTD/JavaScript Hilighting
- HTML/JSP Preview
- JSP/XML Validation
- Contents Assist (HTML Tags/Attributes, XML based on DTD and JSP taglib and more)
- Wizards for creating HTML/JSP/XML files
- Outline View
- Editor Preferences
- Editor Folding
- Web Browser (It works as an Eclipse's editor)
- Image Viewer
- Tag Palette
- CSS code completion and outline
- DTD code completion, outline and validation
- JavaScript code completion, outline and validation