Comment 10 for bug 549180

here it is with debug-on-signal set to t. are you not using u-vm-color? is there something more fun I should be using instead?

Debugger entered--Lisp error: (error "Invalid search bound (wrong side of point)")
  re-search-forward("\\([.?!][]\"'”)}]*\\($\\|[  ]$\\| \\|[  ][  ]\\)\\|[。．？！]+\\)[   \n]*$" #<marker (moves after insertion) at 1994 in reply to xx> t)
  fill-delete-newlines(1998 #<marker (moves after insertion) at 1994 in reply to xx> left nil nil)
  fill-region-as-paragraph(1994 1989 nil nil)
  fill-region(391 1955)
  vm-fill-paragraphs-containing-long-lines(window-width 333 2270)
  vm-fill-long-lines-in-reply()
  ad-Orig-vm-do-reply(nil t 1)
  vm-do-reply(nil t 1)
  vm-reply-include-text(1)
  call-interactively(vm-reply-include-text nil nil)