Merge pull request #2511 from ole/se-0257

[SE-0257]: Add link to pitch and review threads, unify metadata

Author: rjmccall

proposals/0257-elide-comma.md

@@ -5,9 +5,7 @@
 * Review Manager: [Ted Kremenek](https://github.com/tkremenek)
 * Status: **Returned for revision**
 * Implementation: [apple/swift#21876](https://github.com/apple/swift/pull/22714)
-* Previous Pitch: [Trailing commas in all expression lists](https://forums.swift.org/t/trailing-commas-in-all-expression-lists/19527)
-* Previous Pitch: [SE-0084 spinoff: Newlines as item separators](https://forums.swift.org/t/se-0084-spinoff-newlines-as-item-separators/2659)
-* Decision Notes: [Rationale](https://forums.swift.org/t/se-0257-eliding-commas-from-multiline-expression-lists/22889/191)
+* Review: ([previous pitch 1](https://forums.swift.org/t/se-0084-spinoff-newlines-as-item-separators/2659)) ([previous pitch 2](https://forums.swift.org/t/trailing-commas-in-all-expression-lists/19527)) ([pitch](https://forums.swift.org/t/pitch-eliding-commas-from-multiline-expression-lists/22558)) ([review](https://forums.swift.org/t/se-0257-eliding-commas-from-multiline-expression-lists/22889)) ([returned for revision](https://forums.swift.org/t/se-0257-eliding-commas-from-multiline-expression-lists/22889/191))
 
 # Introduction