[gravitypdf-bot]

Fixes #134. Behaviour change.

jQuery filters a traversal's walk before sorting it, so a positional selector counts from the starting element outward: prevAll(':first') is the nearest previous sibling, d, not the first sibling, a, and parents(':first') is the parent. This PR does the same for prevAll(), parents() and nextAll():

• A new private walkAll() joins the walks from each starting element, repeats included, and filters them with the new DOMTraverser::filterList().
• filterList() counts positional pseudo-classes along the list in the order given. It shares one private core with filterNodes().
• Selectors with no positional pseudo-class take the same path as before.

prevUntil() and parentsUntil() take only a stop selector, which already counts across the document (#118), so they are unchanged.

Tests

• tests/Issues/Issue134Test.php covers the issue's table, sets of two starting elements, filterList() directly, and non-positional selectors.
• Issue118Test::testSetMethodsCountPositionsInDocumentOrder is renamed ...InWalkOrder and its expected values updated. It had pinned the old behaviour and noted that jQuery differed.

Notes

• The expected results for multi-element sets are worked out from jQuery 3.7.1's source, not run against jQuery.
• Walks are joined in QueryPath's match-set order. add() doesn't sort its set where jQuery's does, so the two can differ after add().
• siblings() still counts in document order. That could be a follow-up issue.

Every PR in this set adds its CHANGELOG line at the end of # Unreleased changes, so each one after the first needs a one-line conflict resolved there.

🤖 Generated with Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.29%. Comparing base (6ae6acf) to head (a59a023).
⚠️ Report is 19 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #153      +/-   ##
============================================
+ Coverage     90.69%   91.29%   +0.59%     
- Complexity     1424     1454      +30     
============================================
  Files            25       26       +1     
  Lines          3170     3204      +34     
============================================
+ Hits           2875     2925      +50     
+ Misses          295      279      -16     

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