12.1.4 Input-Output System

The internals of the I/O subsystem have been completely redesigned. The new version should be faster while at the same time providing more functionality and more consistent behavior between operating systems and between stream types.

The semantics of character codes has been fixed as (a superset of) Unicode. Redefining the meaning of character codes is no longer supported.

New features and changes to the SICStus streams (SP_stream) include:

Other minor changes:

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