diff -r abd4a0f48e49 -r 28ac56e59d23 src/Pure/General/path.scala
--- a/src/Pure/General/path.scala	Fri Jan 20 21:52:29 2023 +0100
+++ b/src/Pure/General/path.scala	Fri Jan 20 21:56:34 2023 +0100
@@ -233,8 +233,12 @@
       prfx + Path.basic(s + "." + e)
     }
 
+  def bib: Path = ext("bib")
+  def blg: Path = ext("blg")
+  def db: Path = ext("db")
   def gz: Path = ext("gz")
   def html: Path = ext("html")
+  def jar: Path = ext("jar")
   def log: Path = ext("log")
   def orig: Path = ext("orig")
   def patch: Path = ext("patch")