Parameter Value Language
Encyclopedia
In computer programming, Parameter Value Language (PVL) is a markup language
similar to XML
. It is commonly employed for entries in the Planetary Database System used by NASA
to store mission data, among other uses.
Markup language
A markup language is a modern system for annotating a text in a way that is syntactically distinguishable from that text. The idea and terminology evolved from the "marking up" of manuscripts, i.e. the revision instructions by editors, traditionally written with a blue pencil on authors' manuscripts...
similar to XML
XML
Extensible Markup Language is a set of rules for encoding documents in machine-readable form. It is defined in the XML 1.0 Specification produced by the W3C, and several other related specifications, all gratis open standards....
. It is commonly employed for entries in the Planetary Database System used by NASA
NASA
The National Aeronautics and Space Administration is the agency of the United States government that is responsible for the nation's civilian space program and for aeronautics and aerospace research...
to store mission data, among other uses.