Expand mojibake repair to punctuation and symbols

README.md

@@ -1,7 +1,8 @@
 # Mojibake Repair (Temporary)
 
-Version 1.1.0 replaces the original whole-column SQL conversion with targeted
-replacements for Czech letters misdecoded as ISO-8859-1 or Windows-1252.
+Version 1.1.1 uses targeted replacements for Czech letters, common punctuation,
+symbols and nonbreaking spaces misdecoded as ISO-8859-1 or Windows-1252. It extends
+the serialization-safe repair introduced in version 1.1.0.
 
 ## Why version 1.0.0 could break fonts
 
@@ -26,7 +27,10 @@ serialization risk in its [migration guide](https://developer.wordpress.org/adva
 
 ## Behavior and limits
 
-- Repairs recognized Czech mojibake sequences without transcoding whole values.
+- Repairs recognized mojibake sequences without transcoding whole values.
+  Targets include Czech letters and `– — ‘ ’ ‚ “ ” „ … • « » ‹ › € ™ © ® °`,
+  plus nonbreaking spaces. For example, `–` becomes `–`, `’` becomes `’`,
+  and `…` becomes `…`. Both Latin-1 and Windows-1252 forms are covered.
   Other corruption patterns and JSON `\uXXXX` escapes are outside this repair's
   scope. A sequence intentionally shown as a mojibake example will also match,
   so review the preview.
@@ -50,7 +54,7 @@ serialization risk in its [migration guide](https://developer.wordpress.org/adva
 ## Local verification
 
 Run `php -l wp-mojibake-repair.php` and `php tests/repair.php`.
-The regression script requires PDO SQLite and iconv. It checks Czech text,
+The regression script requires PDO SQLite and iconv. It checks Czech text, punctuation,
 serialized typography settings, preserved CSS/JSON, skipped unsafe values,
 batching, preview approvals, rollback, and cache invalidation. Database-flow
 checks use a SQLite adapter; they do not replace verification on WordPress/MySQL.