#library

A built-in stream that starts out with one item for each entry in every library rule in the OmniMark program, or in a "-library" file at run-time. The key of each item is a public identifier, and the value of each item is the corresponding system identifier.

The default "current item" of the #library shelf is the lastmost item, as is the case with programmer-declared shelves.

One of the main uses of the #library stream is shown by the way the "%epq" and "%epv" format items are interpreted.

If the OmniMark program contains no external-text-entity rules, any change made to the #library stream also determines how OmniMark's built-in entity manager interprets public identifiers in referenced external text entities.