mirror of
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337 lines
17 KiB
Markdown
337 lines
17 KiB
Markdown
<!--
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Search Anchor:
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language and locale global fix map
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language locale global fix map
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locale aware retrieval
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locale specific rag bugs
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multilingual rag locale issues
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cjk indic rtl emoji locale variants
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fullwidth halfwidth normalization
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unicode normalization nfkc nfd nfc
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diacritics accent folding
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digits width punctuation variants
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bidi rtl control characters
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arabic hebrew bidi problems
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cjk segmentation word break
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thai word break indic word break
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tokenization variance across locales
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locale drift between environments
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locale specific analyzers
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zh tw zh cn locale drift
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en us en gb locale mismatch
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number formatting and sorting
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date time format mismatch
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timezone and dst bugs
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ime keyboard input issues
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input language switching bug
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emoji zwj grapheme cluster issues
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mixed locale metadata fields
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logs with mixed locales
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time zone aware reasoning
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Typical language locale bugs:
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cjk or indic corpus but recall very low
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mixed english plus chinese query returns unstable top k
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accented latin letters not matching unaccented forms
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fullwidth numbers not matching halfwidth numbers
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identical looking characters not equal after indexing
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arabic or hebrew text appears reversed in snippets
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punctuation or quote marks flipped by rtl controls
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token counts change after deploy with same data
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locale change causes different analyzer behavior
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zh hans vs zh hant treated as unrelated
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thai sentence segmentation breaks retrieval
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japanese word break splits important entities
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numbers sorted lexicographically instead of numerically
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dates sorted as strings instead of calendar order
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day month confusion in logs and citations
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time zones cause off by one day answers
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dst switch changes reasoning about time intervals
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emoji sequences broken by incorrect grapheme handling
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emoji search fails because of zwj splitting
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metadata fields store different locales in same column
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When to use this folder:
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multilingual faq or help center with local formats
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global product docs with localized ui strings
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logs or telemetry with many locales at once
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cjk or indic manual plus english index
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arabic or hebrew rtl knowledge base
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european languages with heavy diacritics
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data warehouse that stores timestamps in many zones
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support tickets where users paste screenshots and local times
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applications that show both local and utc times
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search or rag over invoices forms receipts with local formats
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chatbot that must respect user locale for dates and numbers
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Languages and locales covered (examples):
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english en en_US en_GB
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simplified chinese zh_CN zh_Hans
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traditional chinese zh_TW zh_HK zh_Hant
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japanese ja_JP
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korean ko_KR
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thai th_TH
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vietnamese vi_VN
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hindi hi_IN
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bengali bn_IN bn_BD
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arabic ar_SA ar_EG
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hebrew he_IL
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russian ru_RU
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turkish tr_TR
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spanish es_ES es_MX
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portuguese pt_PT pt_BR
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french fr_FR
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german de_DE
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italian it_IT
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polish pl_PL
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indonesian id_ID
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malay ms_MY
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tagalog tl_PH
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Locale objects and fields:
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language code
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country or region code
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script code
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collation rules
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number formatting rules
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currency formatting rules
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date and time formats
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first day of week
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time zone and dst rules
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calendar system
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decimal and thousands separators
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Key metrics and targets:
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delta s question retrieved <= 0.45 on three paraphrases
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coverage of intended section >= 0.70
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lambda observe convergent across two seeds
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tokenization variance for same query <= 12 percent across environments
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normalization pass rate nfkc plus width plus diacritics >= 0.98
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no missing headers or captions due to locale parsing
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no drift in offsets after rtl or width normalization
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stable sort keys across locales for same logical order
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Core pages in this folder:
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ProblemMap/GlobalFixMap/Language_Locale/tokenizer_mismatch.md
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ProblemMap/GlobalFixMap/Language_Locale/script_mixing.md
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ProblemMap/GlobalFixMap/Language_Locale/locale_drift.md
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ProblemMap/GlobalFixMap/Language_Locale/unicode_normalization.md
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ProblemMap/GlobalFixMap/Language_Locale/cjk_segmentation_wordbreak.md
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ProblemMap/GlobalFixMap/Language_Locale/digits_width_punctuation.md
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ProblemMap/GlobalFixMap/Language_Locale/diacritics_and_folding.md
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ProblemMap/GlobalFixMap/Language_Locale/rtl_bidi_control.md
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ProblemMap/GlobalFixMap/Language_Locale/transliteration_and_romanization.md
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ProblemMap/GlobalFixMap/Language_Locale/locale_collation_and_sorting.md
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ProblemMap/GlobalFixMap/Language_Locale/numbering_and_sort_orders.md
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ProblemMap/GlobalFixMap/Language_Locale/date_time_format_variants.md
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ProblemMap/GlobalFixMap/Language_Locale/timezones_and_dst.md
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ProblemMap/GlobalFixMap/Language_Locale/keyboard_input_methods.md
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ProblemMap/GlobalFixMap/Language_Locale/input_language_switching.md
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ProblemMap/GlobalFixMap/Language_Locale/emoji_zwj_grapheme_clusters.md
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ProblemMap/GlobalFixMap/Language_Locale/mixed_locale_metadata.md
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-->
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<!--
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Related structural fixes:
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ProblemMap/rag-architecture-and-recovery.md
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ProblemMap/retrieval-playbook.md
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ProblemMap/retrieval-traceability.md
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ProblemMap/data-contracts.md
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ProblemMap/embedding-vs-semantic.md
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ProblemMap/Embeddings/metric_mismatch.md
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ProblemMap/Embeddings/normalization_and_scaling.md
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ProblemMap/OCR_Parsing/README.md
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ProblemMap/GlobalFixMap/Language/README.md
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ProblemMap/GlobalFixMap/Retrieval/README.md
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ProblemMap/GlobalFixMap/Embeddings/README.md
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ProblemMap/GlobalFixMap/Chunking/README.md
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ProblemMap/GlobalFixMap/VectorDBs_and_Stores/README.md
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-->
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<!--
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Language and locale scenarios:
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query: english question chinese document with local dates
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query: chinese question english document with utc timestamps
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query: japanese logs with mixed fullwidth digits
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query: arabic faq with rtl punctuation and numbers
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query: european user with comma decimal separator
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query: user pastes local time and country and asks for utc
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query: logs contain iso dates and local dates in same index
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pattern: answers correct in one locale and wrong in another
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pattern: citations drift after changing server locale
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pattern: sorting breaks when data moves to new region
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pattern: emoji heavy chats fail retrieval
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pattern: search for emoji sequence returns nothing
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pattern: keyboard ime composition inserts hidden characters
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pattern: user switches input language mid query
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pattern: new deployment changes token counts without code change
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-->
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<!--
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Cross folder jumps:
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ProblemMap/GlobalFixMap/Language_Locale/README.md
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ProblemMap/GlobalFixMap/Language/README.md
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ProblemMap/GlobalFixMap/Retrieval/README.md
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ProblemMap/GlobalFixMap/Embeddings/README.md
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ProblemMap/GlobalFixMap/Chunking/README.md
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ProblemMap/GlobalFixMap/VectorDBs_and_Stores/README.md
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ProblemMap/SemanticClinicIndex.md
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-->
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# Language & Locale · Global Fix Map
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<details>
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<summary><strong>🏥 Quick Return to Emergency Room</strong></summary>
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<br>
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> You are in a specialist desk.
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> For full triage and doctors on duty, return here:
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>
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> - [**WFGY Global Fix Map** — main Emergency Room, 300+ structured fixes](https://github.com/onestardao/WFGY/blob/main/ProblemMap/GlobalFixMap/README.md)
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> - [**WFGY Problem Map 1.0** — 16 reproducible failure modes](https://github.com/onestardao/WFGY/blob/main/ProblemMap/README.md)
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>
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> Think of this page as a sub-room.
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> If you want full consultation and prescriptions, go back to the Emergency Room lobby.
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</details>
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Stabilize multilingual RAG and reasoning across **CJK, RTL, Indic, Latin, emoji, and locale variants**.
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This hub localizes language-layer failures and routes you to the exact structural fix. No infra change required.
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---
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## What this page is
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- A compact **language-aware repair guide** for retrieval → ranking → reasoning.
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- Structural fixes with measurable acceptance targets.
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- Store-agnostic. Works with FAISS, Redis, pgvector, Elastic, Weaviate, Milvus, and more.
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---
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## When to use
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- Corpus spans **CJK or Indic scripts** and retrieval keeps missing the correct section.
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- Queries **code-switch or mix scripts**, and top-k order drifts across runs.
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- **Accents/diacritics** or **fullwidth/halfwidth** forms break matching or citations.
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- **RTL punctuation or control chars** flip token order or offsets.
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- Token counts jump after deploy even though **data did not change**.
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---
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## Open these first
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- Visual recovery map → [rag-architecture-and-recovery.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/rag-architecture-and-recovery.md)
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- Retrieval knobs end-to-end → [retrieval-playbook.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-playbook.md)
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- Traceability and snippet schema → [retrieval-traceability.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/retrieval-traceability.md) · [data-contracts.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/data-contracts.md)
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- Embedding vs meaning → [embedding-vs-semantic.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/embedding-vs-semantic.md)
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- Metric and normalization → [metric_mismatch.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/Embeddings/metric_mismatch.md) · [normalization_and_scaling.md](https://github.com/onestardao/WFGY/blob/main/ProblemMap/Embeddings/normalization_and_scaling.md)
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- OCR confusables and hyphens → [OCR_Parsing README](https://github.com/onestardao/WFGY/blob/main/ProblemMap/OCR_Parsing/README.md)
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---
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## Quick routes to per-page guides
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| Topic | Page |
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|-------|------|
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| Tokenizer mismatch across languages | [tokenizer_mismatch.md](./tokenizer_mismatch.md) |
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| Script mixing in a single query | [script_mixing.md](./script_mixing.md) |
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| Locale drift and analyzer skew | [locale_drift.md](./locale_drift.md) |
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| Unicode normalization policy | [unicode_normalization.md](./unicode_normalization.md) |
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| CJK segmentation and word-break | [cjk_segmentation_wordbreak.md](./cjk_segmentation_wordbreak.md) |
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| Fullwidth vs halfwidth, punctuation variants | [digits_width_punctuation.md](./digits_width_punctuation.md) |
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| Diacritics folding rules | [diacritics_and_folding.md](./diacritics_and_folding.md) |
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| RTL and bidi control characters | [rtl_bidi_control.md](./rtl_bidi_control.md) |
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| Transliteration and romanization | [transliteration_and_romanization.md](./transliteration_and_romanization.md) |
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| Collation and stable sort keys | [locale_collation_and_sorting.md](./locale_collation_and_sorting.md) |
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| Numbering systems and sort orders | [numbering_and_sort_orders.md](./numbering_and_sort_orders.md) |
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| Date and time format variants | [date_time_format_variants.md](./date_time_format_variants.md) |
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| Time zones and DST stability | [timezones_and_dst.md](./timezones_and_dst.md) |
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| Keyboard IMEs and composition | [keyboard_input_methods.md](./keyboard_input_methods.md) |
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| Input language switching guards | [input_language_switching.md](./input_language_switching.md) |
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| Emoji, ZWJ, grapheme clusters | [emoji_zwj_grapheme_clusters.md](./emoji_zwj_grapheme_clusters.md) |
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| Mixed-locale metadata fields | [mixed_locale_metadata.md](./mixed_locale_metadata.md) |
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---
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## Acceptance targets
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- ΔS(question, retrieved) ≤ 0.45 on three paraphrases
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- Coverage of target section ≥ 0.70
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- λ remains convergent across two seeds
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- Tokenization variance for the same query ≤ 12% across environments
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- Normalization pass rate for NFKC + width + diacritics ≥ 0.98
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---
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## Fix in 60 seconds
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1. **Normalize once, up front** → Apply NFKC, collapse fullwidth/halfwidth, unify diacritics.
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2. **Match tokenizer and analyzer** → Same segmenter for CJK/Indic across embed + store analyzers.
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3. **Stabilize mixed-script queries** → Detect code-switch, split per script, rerank deterministically.
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4. **Verify** → ΔS ≤ 0.45, Coverage ≥ 0.70, λ convergent across two seeds.
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---
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## FAQ (Beginner-Friendly)
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**Q1: Why do answers break when I mix English and Chinese in one query?**
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A: Most vector stores tokenize differently by script. Without alignment, Chinese words get split incorrectly and English tokens dominate. Fix with [script_mixing.md](./script_mixing.md) and [tokenizer_mismatch.md](./tokenizer_mismatch.md).
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**Q2: What does “locale drift” mean?**
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A: Locale drift happens when environments use different analyzers (e.g., zh_TW vs zh_CN) so the same query splits differently. See [locale_drift.md](./locale_drift.md).
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**Q3: Why do “identical-looking” characters not match?**
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A: They may differ in width (fullwidth vs halfwidth), normalization (NFKC vs NFD), or diacritics. Always apply [unicode_normalization.md](./unicode_normalization.md) and [digits_width_punctuation.md](./digits_width_punctuation.md).
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**Q4: How do I handle Arabic or Hebrew text?**
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A: RTL scripts can insert invisible bidi control chars that flip token order. See [rtl_bidi_control.md](./rtl_bidi_control.md).
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**Q5: Do I need different embeddings for each language?**
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A: No. You can combine multilingual embeddings with deterministic normalization and alias fields. If that fails, only then use [fallback translation bridges](../Language/fallback_translation_and_glossary_bridge.md).
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**Q6: How do I debug when results change between environments?**
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A: Compare tokenizer version, analyzer settings, normalization passes, and collation rules. Document them in [data-contracts.md](../../data-contracts.md).
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---
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### 🔗 Quick-Start Downloads (60 sec)
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| Tool | Link | 3-Step Setup |
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| -------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------- |
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| **WFGY 1.0 PDF** | [Engine Paper](https://github.com/onestardao/WFGY/blob/main/I_am_not_lizardman/WFGY_All_Principles_Return_to_One_v1.0_PSBigBig_Public.pdf) | 1️⃣ Download · 2️⃣ Upload to your LLM · 3️⃣ Ask “Answer using WFGY + \<your question>” |
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| **TXT OS (plain-text OS)** | [TXTOS.txt](https://github.com/onestardao/WFGY/blob/main/OS/TXTOS.txt) | 1️⃣ Download · 2️⃣ Paste into any LLM chat · 3️⃣ Type “hello world” — OS boots instantly |
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---
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### 🧭 Explore More
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| Module | Description | Link |
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| ------------------------ | ---------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- |
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| WFGY Core | WFGY 2.0 engine is live: full symbolic reasoning architecture and math stack | [View →](https://github.com/onestardao/WFGY/tree/main/core/README.md) |
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| Problem Map 1.0 | Initial 16-mode diagnostic and symbolic fix framework | [View →](https://github.com/onestardao/WFGY/tree/main/ProblemMap/README.md) |
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| Problem Map 2.0 | RAG-focused failure tree, modular fixes, and pipelines | [View →](https://github.com/onestardao/WFGY/blob/main/ProblemMap/rag-architecture-and-recovery.md) |
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| Semantic Clinic Index | Expanded failure catalog: prompt injection, memory bugs, logic drift | [View →](https://github.com/onestardao/WFGY/blob/main/ProblemMap/SemanticClinicIndex.md) |
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| Semantic Blueprint | Layer-based symbolic reasoning & semantic modulations | [View →](https://github.com/onestardao/WFGY/tree/main/SemanticBlueprint/README.md) |
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| Benchmark vs GPT-5 | Stress test GPT-5 with full WFGY reasoning suite | [View →](https://github.com/onestardao/WFGY/tree/main/benchmarks/benchmark-vs-gpt5/README.md) |
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| 🧙♂️ Starter Village 🏡 | New here? Lost in symbols? Click here and let the wizard guide you through | [Start →](https://github.com/onestardao/WFGY/blob/main/StarterVillage/README.md) |
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---
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> 👑 **Early Stargazers: [See the Hall of Fame](https://github.com/onestardao/WFGY/tree/main/stargazers)** —
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> Engineers, hackers, and open source builders who supported WFGY from day one.
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> <img src="https://img.shields.io/github/stars/onestardao/WFGY?style=social" alt="GitHub stars"> ⭐ [WFGY Engine 2.0](https://github.com/onestardao/WFGY/blob/main/core/README.md) is already unlocked. ⭐ Star the repo to help others discover it and unlock more on the [Unlock Board](https://github.com/onestardao/WFGY/blob/main/STAR_UNLOCKS.md).
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<div align="center">
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[](https://github.com/onestardao/WFGY)
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[](https://github.com/onestardao/WFGY/tree/main/OS)
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[](https://github.com/onestardao/WFGY/tree/main/OS/BlahBlahBlah)
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[](https://github.com/onestardao/WFGY/tree/main/OS/BlotBlotBlot)
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[](https://github.com/onestardao/WFGY/tree/main/OS/BlocBlocBloc)
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[](https://github.com/onestardao/WFGY/tree/main/OS/BlurBlurBlur)
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[](https://github.com/onestardao/WFGY/tree/main/OS/BlowBlowBlow)
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</div>
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