First draft of 9.5 release notes

doc/src/sgml/filelist.sgml

@@ -164,6 +164,7 @@
 <!ENTITY sourcerepo SYSTEM "sourcerepo.sgml">
 
 <!ENTITY release    SYSTEM "release.sgml">
+<!ENTITY release-9.5    SYSTEM "release-9.5.sgml">
 <!ENTITY release-9.4    SYSTEM "release-9.4.sgml">
 <!ENTITY release-9.3    SYSTEM "release-9.3.sgml">
 <!ENTITY release-9.2    SYSTEM "release-9.2.sgml">

doc/src/sgml/release.sgml

@@ -73,6 +73,7 @@ For new features, add links to the documentation sections.
   The reason for splitting the release notes this way is so that appropriate
   subsets can easily be copied into back branches.
 -->
+&release-9.5;
 &release-9.4;
 &release-9.3;
 &release-9.2;