[bug]Malformed -*- line

[Leo]

Gnus in emacs unicode-branch-2 writes a malformed -*- line to
.newsrc.eld. The backtrace is:

,----
| Debugger entered--Lisp error: (error "Malformed -*- line")
|   signal(error ("Malformed -*- line"))
|   error("Malformed -*- line")
|   hack-local-variables-prop-line(nil)
|   hack-local-variables()
|   normal-mode(t)
|   after-find-file(nil t)
|   find-file-noselect-1(#<buffer .newsrc.eld> "~/mor/gnus/.newsrc.eld" nil nil 
"~/mor/gnus/.newsrc.eld" (395 20))
|   find-file-noselect(".newsrc.eld" nil nil nil)
|   find-file(".newsrc.eld" nil)
|   find-alternate-file(".newsrc.eld")
|   ido-file-internal(alt-file find-alternate-file nil "Find alternate file: ")
|   ido-find-alternate-file()
|   call-interactively(ido-find-alternate-file)
`----

-- 
Leo