switch-to-buffer-other-frame fails to pop-up window

[Mark T. Kennedy]

recipe:

1) start emacs with "-Q"
2) type "c-x b foo", then "c-x 2", and then "c-x b".
   now "*scratch* and "foo" are displayed in two windows
   on the original single frame.
3) now type "c-x 5 b foo" and see that a new frame is not
   popped up.

contrast this with "emacs -Q" and "c-x 4 b foo" followed by
"c-x 5 b foo".

/mark kennedy

In GNU Emacs 22.1.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.8.18)
 of 2007-11-09 on d1.diamondbackcap.corp
Windowing system distributor `The X.Org Foundation', version 11.0.70000000
configured using `configure  '--with-gtk' 'CFLAGS=-g''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  tool-bar-mode: t
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  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
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  line-number-mode: t

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<backspace> <tab> <backspace> <backspace> <backspace>
<backspace> <backspace> b u g <tab> <backspace> <backspace>
<backspace> r e <tab> p o r <tab> <return>

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