comunica / comunica / 43561131862

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Pull #1975

github

Fix string = and < not using codepoint collation

String equality and ordering used localeCompare, which normalizes and
ignores some characters and orders by the runtime locale. SPARQL defines
these operators via fn:compare with the Unicode codepoint collation, so
equality is now an exact string match, and ordering compares codepoints.
This also affects !=, >, <=, >=, ORDER BY, MIN and MAX.

Related to #1973

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UeSuG5LFbPCYEKeaoQtSH1

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