-;;; This value should be incremented when the system changes in such
-;;; a way that it will no longer work reliably with old fasl files.
-(defconstant +fasl-file-version+ 22)
+;;; This value should be incremented when the system changes in such a
+;;; way that it will no longer work reliably with old fasl files. In
+;;; practice, I (WHN) fairly often neglect to increment it for CVS
+;;; versions which break binary compatibility. But it certainly should
+;;; be incremented for release versions which break binary
+;;; compatibility.
+(defconstant +fasl-file-version+ 23)