indicate-buffer-boundaries and header line.

[Matt Hodges]

In GNU Emacs 21.3.50.2 (i686-pc-linux-gnu, GTK+ Version 2.4.13)
 of 2004-11-22 on dugong
Distributor `The XFree86 Project, Inc', version 11.0.40300001
configured using `configure '--with-gtk''

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: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: t

With emacs -Q and (setq-default indicate-buffer-boundaries t) I don't
see a bitmap in the left fringe indicating the top of the buffer when
header-line-format is non-nil (e.g. in *info*).