CLHS: Section 19.3.1

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## 19.3.1 Syntax of Logical Pathname Namestrings

The syntax of a logical pathname namestring is as follows. (Note that unlike many notational descriptions in this document, this is a syntactic description of character sequences, not a structural description of objects.)

    logical-pathname::= [host host-marker]
                        [relative-directory-marker] {directory directory-marker}*
                        [name] [type-marker type [version-marker version]]

    host::= word

    directory::= word | wildcard-word | wild-inferiors-word

    name::= word | wildcard-word

    type::= word | wildcard-word

    version::= pos-int | newest-word | wildcard-version

host-marker---a colon.

relative-directory-marker---a semicolon.

directory-marker---a semicolon.

type-marker---a dot.

version-marker---a dot.

wild-inferiors-word---The two character sequence ```**`'' (two asterisks).

newest-word---The six character sequence ```newest`'' or the six character sequence ```NEWEST`''.

wildcard-version---an asterisk.

wildcard-word---one or more asterisks, uppercase letters, digits, and hyphens, including at least one asterisk, with no two asterisks adjacent.

word---one or more uppercase letters, digits, and hyphens.

pos-int---a positive integer.

## 19.3.1.1 Additional Information about Parsing Logical Pathname Namestrings

The following X3J13 cleanup issue, not part of the specification, applies to this section:

- PATHNAME-LOGICAL:ADD

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