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diff --git a/doc/bugs/git-annex_add__47__unlock_fails_for_some_names.mdwn b/doc/bugs/git-annex_add__47__unlock_fails_for_some_names.mdwn
index c6f819c3714fa72fed096243a537bf7b68b01503..9118362cb585a3a04ef7f0f3fdb7300b0aea112e 100644 (file)
--- a/doc/bugs/git-annex_add__47__unlock_fails_for_some_names.mdwn
+++ b/doc/bugs/git-annex_add__47__unlock_fails_for_some_names.mdwn
@@ -73,3 +73,46 @@ Root cause: The temp filename generation algorithm appears to create conflicts w
 # Have you had any luck using git-annex before?
 
 Absolutely! git-annex has been fantastic for managing large datasets across multiple machines. The same repository works perfectly with the older version (10.20220121) on Ubuntu WSL, and I've been using git-annex successfully for years. This appears to be a regression in the newer version, but the tool itself remains incredibly valuable for distributed file management. Thanks for all the great work on this project!
+
+# UPDATE: Problem scope is much wider than initially reported
+
+After comprehensive testing across a large repository, the issue affects ALL Cyrillic filenames, not just the specific 4-character prefix + YYYY.MM pattern initially reported.
+Expanded problem scope
+
+ALL of these Cyrillic filename patterns fail:
+
+Simple Cyrillic names:
+    пожелания.md
+    обучение.xlsx
+    Протокол.xlsx
+    Согласие.docx
+    Грейдинг.pptx
+
+Names with numbers/dashes:
+    ДПК_2021.06-2.xlsx
+    Скрипты_3.xlsx
+    РТ МВНП v1.docx
+    РТ МВНП v2.docx
+
+Names with spaces:
+    ВУП Авто .pptx
+    Ваш юрист.pdf
+Names with underscores/special chars:
+
+    ВУП_видео.mp4
+    Ачох_кейс.dat
+
+Various file extensions affected:
+
+    .docx, .pptx, .xlsx (originally reported)
+    .md, .pdf, .mp4, .dat (newly discovered)
+
+Originally reported YYYY.MM pattern (confirmed):
+    ЦППП_2022.01.xlsx, ЦППП_2022.02.xlsx, etc.
+
+Revised pattern analysis
+
+Failing pattern: [ANY_CYRILLIC_CHARACTERS].[ANY_EXTENSION]
+
+Working pattern: Latin-only filenames work fine
+This regression affects ANY non latin filename, making git-annex 10.20250721 essentially barely usable for repositories containing non-latin filenames.