Changelog

Spec, schema and validator versions. Dates are UTC.

Unreleased

• Pending: Frost Gate Traverse added to tests/0.1/valid/.
• Spec 0.1 re-converted from doc rev 58: bend window clamped at the ends of an open course and wrapping on a loop, S-bends split where the direction changes, rule 9 windows defined, headings that round to 360° stored as 0, no finish marker on a closed course (rule 15, rev 59), widthSource "design", drafts may change until released.
• Schema 0.1: widthSource accepts "design".
• Validator: rule 15, a finish marker on a closed course; measured apex as 5.4 defines it; bend completeness skipped above 10 000 km.
• Tests: valid S-bend and bend-at-start courses; invalid heading of 3600 (rule 5) and finish on a loop.

Draft 0.1 — 2026-10-30

• Spec draft 0.1 published at spec/0.1/.
• JSON Schema 0.1 at https://geocourse.org/schema/0.1/geocourse.schema.json.
• Reference validator and geocourse-validate CLI covering rules 1 to 14 of section 8.
• Test files for 0.1: two valid courses and one invalid file per rule.
• Registry: range types, kind values, extension names, attribution licences.