+Make directories on lilypond.org:
+
+@example
+~/web/download/sources/v2.14
+~/web/download/sources/v2.15
+@end example
+
+@item
+Shortly after the release, move all current contributors to
+previous contributors in:
+
+@example
+Documentation/included/authors.itexi
+@end example
+
+Also, delete old material in:
+
+@example
+Documentation/changes.tely
+@end example
+
+but don't forget to check it still compiles! also update the
+version numbers.