(Data) Format of file contents.
The name can be either a programming language such as "C", "C++", "D", etc or a data format such as "JSON", "XML" etc.
See: https://en.wikipedia.org/wiki/File_format
Pattern matching file contents often associated.
TODO: Make this a PNode namePattern to support both, for instance, "JavaScript Object Notation" and "JSON".
See Implementation
(Data) Format of file contents.
The name can be either a programming language such as "C", "C++", "D", etc or a data format such as "JSON", "XML" etc.
See: https://en.wikipedia.org/wiki/File_format