Reference for unit 'FileUtil': Constants

`AllDirectoryEntriesMask`		`AllDirectoryEntriesMask` - typically '*' on most systems
`FilenamesCaseSensitive`
`FilenamesLiteral`
`PascalFileExt`		`PascalFileExt` - typically '.pas', '.pp' or '.p'
`PascalSourceExt`
`sffFindProgramInPath`
`UTF8FileHeader`