wypoon commented on code in PR #15630:
URL: https://github.com/apache/iceberg/pull/15630#discussion_r3139672099


##########
format/spec.md:
##########
@@ -168,6 +188,35 @@ All columns must be written to data files even if they 
introduce redundancy with
 
 Writers are not allowed to commit files with a partition spec that contains a 
field with an unknown transform.
 
+### Paths in Metadata
+
+Path strings stored in Iceberg metadata files are classified as one of two 
types:
+
+* **Absolute path** -- A path string that includes a [URI 
scheme](https://datatracker.ietf.org/doc/html/rfc3986#section-3.1) (e.g., 
`s3:`, `gs:`, `hdfs:`, `file:`). Absolute paths are used as-is without 
modification.

Review Comment:
   I think that it is natural to read the parenthetical "e.g." next to the "URI 
scheme" link as giving examples of scheme. How about
   ```
   * **Absolute path** -- A path string that includes a [URI 
scheme](https://datatracker.ietf.org/doc/html/rfc3986#section-3.1) (e.g., paths 
beginning with `s3:`, `gs:`, `hdfs:`, `file:`). Absolute paths are used as-is 
without modification.
   ```



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