In the field of computer markup languages, XML files can be edited in plain text in an editor program such as Vim, with all the code visible. There are also WYSIWYG XML editors that hide the code in the background and present the content to the user in a more user-friendly format, approximating the rendered version. This is helpful for situations where people who are not fluent in XML code need to enter information in XML based documents such as time sheets and expenditure reports. And even if the user is familiar with XML, it is often faster and more convenient to use an XML editor and let it take care of syntax details.
Graphical editors include:
Another approach is to allow user to edit the source, but also provide word-completion and other facilities to help typing in XML, based on data supplied with DTD. This kind of editors include:
See also
