RussellSpitzer commented on code in PR #17783:
URL: https://github.com/apache/iceberg/pull/17783#discussion_r3959198157


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format/spec.md:
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@@ -113,7 +114,7 @@ There are two types of row-level deletes:
 
 * **Position deletes** -- Mark a row deleted by data file path and the row 
position in the data file. Position deletes are encoded in a [_position delete 
file_](#position-delete-files) (V2) or [_deletion vector_](#deletion-vectors) 
(V3 or above).
 
-* **Equality deletes** -- Mark a row deleted by one or more column values, 
like id = 5. Equality deletes are encoded in [_equality delete 
file_](#equality-delete-files).
+* **Equality deletes** -- Mark a row deleted by one or more column values, 
like id = 5. Equality deletes are encoded in [_equality delete 
file_](#equality-delete-files) (V2 and V3). Existing equality deletes remain 
valid in V4 tables, but new equality deletes must not be written.

Review Comment:
   This feels a little non sequitur to me. 
   ```suggestion
   * **Equality deletes** -- Mark a row deleted by one or more column values, 
like id = 5. Equality deletes are encoded in [_equality delete 
file_](#equality-delete-files) (May be created in V2 and V3 Tables Only).
   ```



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