(r2) SSA-1_1-Err-5 < IVOA

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---+ SSA v1.1 Erratum 5 - Clarify utype prefixing

Author: James Dempsey

Date last changed: 2023-12-04

Date accepted:

Github Issue: [[https://github.com/ivoa-std/SSA/issues/9][SSA Issue #9]]

---++ <a name="Rationale"></a>Rationale

The example responses show ssa: prefix utypes, however this is not currently specified in the normative text. Validators for SSA do require the ssa: prefix on utypes. This erratum will add a statement on the ssa: utype prefix to section 2.11.

---++ <a name="Erratum_Content"></a>Erratum Content

This erratum makes the following changes:

At the end of the first paragraph in section 2.11, add the following sentence:

<blockquote>
All UTYPEs defined in this document should be presented with a namespace of "ssa:".
</blockquote>

---++ <a name="Impact_Assessment"></a>Impact Assessment

Validators such as PADC already require the ssa prefix. This erratum will make the namespace requirement clear to implementers.

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Topic revision: r2 - 2023-12-06 - MarkusDemleitner

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