Well-formed

From Wikinfo

The term "well-formed," refers to the syntactic validity of strings in some language. When used by itself, can refer to:

• In logic, a well-formed formula or WFF.
• In programming, syntactic elements of a programming language. For example, it can be the way in which an HTML tag, or more commonly an XML element, may be used; see well-formed element.

References

• Adapted from the Wikipedia article, "Well-formed" http://en.wikipedia.org/wiki/Well-formed, used under the GNU Free Documentation License