doc: PG 13 relnotes: add documentation section and reformat

Add section about function table reformatting.

diff --git a/doc/src/sgml/release-13.sgml b/doc/src/sgml/release-13.sgml
index 83470e9ba15de2f3cb77b92bad74abe77313baed..34211e2b68fb830806f7fbd06abd5fd1154bfcef 100644 (file)
--- a/doc/src/sgml/release-13.sgml
+++ b/doc/src/sgml/release-13.sgml
@@ -2331,7 +2331,7 @@ Use the directory of the pg_upgrade binary as the default new 'bindir' location
    
 
    
-    <span class="marked">Source Code</span>
+    <span class="marked">Documentation</span>
 
     
 
@@ -2347,6 +2347,27 @@ Add a glossary to the documentation (Corey Huinker, Jürgen Purtz, Roger Har
 
 
 
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+Reformat tables containing function information for better clarity (Tom Lane)
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+    Source Code
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