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add lexicographic vers scheme #443

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72dde1f
add lexicographic vers scheme
immqu Apr 3, 2025
2731615
add generic versioning scheme
immqu Apr 4, 2025
d6415f8
Merge branch 'main' into lexicographic
immqu Apr 4, 2025
46ffc17
Merge branch 'main' into lexicographic
immqu Apr 24, 2025
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6 changes: 2 additions & 4 deletions VERSION-RANGE-SPEC.rst
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Expand Up @@ -642,10 +642,6 @@ These are a few known versioning schemes for some common Package URL

These are generic schemes, to use sparingly for special cases:

- **generic**: a generic version comparison algorithm (which will be specified
later, likely based on a split on any wholly alpha or wholly numeric segments
and dealing with digit and string comparisons, like is done in libversion)

- **none**: a generic versioning scheme for a range containing no version.
``vers:none/*`` is the only valid vers form for this scheme.

Expand All @@ -658,6 +654,8 @@ These are generic schemes, to use sparingly for special cases:
non-negative integers, and ignoring leading zeros. Interpretation of the
version should stop at the first character that is not a digit or a dot.

- **lexicographic**: a generic versioning scheme that compares versions based on lexicographic order, interpreted as UTF-8.

A separate document will provide details for each versioning scheme and:

- how to convert its native range notation to the ``vers`` notation and back.
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