Release v0.6.60: allow apostrophes in custom corrections

README.md

@@ -723,9 +723,11 @@ default and require the main **Automatic correction (experimental)** checkbox to
   `првиіт=привіт` or `helo=hello`. Entries are normalized to lowercase; duplicate source words
   are rejected. The typo must contain 1–32 letters. The correction may contain several words
   separated by single spaces, for example `мамамила=мама мила`, up to 32 characters including
-  spaces. Both sides must use the same supported language, without punctuation; leading,
+  spaces. Corrections also allow apostrophes (`'`, `’`, `ʼ`) between letters, for example
+  `ревю=рев'ю`. Both sides must use the same supported language, without other punctuation; leading,
   trailing and repeated spaces are not allowed. Explicit pairs take priority over dictionary recognition, including
   already valid words, and do not require dictionary membership or satisfy the frequency limit.
+  Update every synchronizing PC to v0.6.60 or newer before sharing apostrophe pairs; older clients reject them.
 - **Correct spelling typos using dictionaries**: checks unknown words in the current language
   after no layout correction is found. It accepts exactly one dictionary candidate reachable
   by inserting, deleting or replacing one letter, or swapping two adjacent letters. Both input