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All approved UDF 2.60 DCNs

All approved UDF 2.60 DCNs

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<strong>All</strong> <strong>approved</strong> <strong>UDF</strong> <strong>2.60</strong> <strong>DCNs</strong><br />

Document: OSTA Universal Disk Format<br />

Subject: Zero Information Length for Non-<strong>All</strong>ocatable Space Stream<br />

Date: October 26, 2004; last update February 28, 2005<br />

DCN-5119<br />

Description:<br />

This DCN is meant for the next <strong>UDF</strong> revision after 2.50 and for the <strong>UDF</strong> 2.50 errata.<br />

There is no requirement for the Non-<strong>All</strong>ocatable Space Stream to have an Information<br />

Length value of zero as for the Non-<strong>All</strong>ocatable Space List in <strong>UDF</strong> 1.50 and lower.<br />

It is absurd to assume that there is any relevant data in this stream.<br />

Change:<br />

In 3.3.7.2 at the top of page 90 replace:<br />

… The allocation descriptors shall have allocation type 1 (allocated but not recorded). …<br />

by:<br />

… The allocation descriptors shall have allocation type 1 (allocated but not recorded).<br />

The Information Length in the File Entry of this stream shall be zero; so all allocation<br />

descriptors are in the file tail. …<br />

<strong>All</strong> <strong>approved</strong> <strong>UDF</strong> <strong>2.60</strong> <strong>DCNs</strong> 59 February 28, 2005

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