spam-score sorting broken

[Uday Reddy]

Trying to sort by spam-score gives this error

Debugger entered--Lisp error: (wrong-type-argument stringp nil)
  string-match("\\(hits\\|score\\)=\\([+-]?[0-9.]+\\)" nil)
  vm-su-spam-score-aux(...)
  vm-su-spam-score(...)
  vm-sort-compare-spam-score(...)
  byte-code(... 4)
  vm-sort-compare-xxxxxx(...)

[Uday Reddy (reddyuday)]

See also Bug 394456.

[Uday Reddy (reddyuday)]

The bug can be fixed easily, but it doesn't do what the manual claims. It is only using some canned spam-score header, but not what is mentioned in vm-vs-spam-score-headers. Needs work.