Final answer:
HTML, DHTML, and XML editors are designed for coding and web development.
Step-by-step explanation:
HTML (HyperText Markup Language), DHTML (Dynamic HyperText Markup Language), and XML (eXtensible Markup Language) editors are designed for those who are comfortable coding or want to learn how to code. HTML is used for creating web pages and displaying content, while DHTML allows for dynamic content and interactivity. XML is a versatile markup language for encoding documents that can be read by both humans and machines.