font-menu-set-font broken in gtk

In XEmacs 21.5 (beta4) "bamboo" [Lucid] (i686-pc-linux) of Mon Feb 4 2002 on shakti configured using `configure --with-postgresql=no --with-gtk' Please describe exactly what actions triggered the bug and the precise symptoms of the bug: I am unable to set the font size from the pull down menu under options. font-menu-set-font signals an error, "Wrong type argument: number-char-or-marker-p, nil" I have copied the contents of the command below. It seems to succeed for many faces, but not for the default. Wrong type argument: number-char-or-marker-p, nil Changing font of `widget'... Changing font of `hyper-apropos-hyperlink'... Changing font of `widget-button-pressed-face'... Changing font of `hyper-apropos-warning'... Changing font of `widget-button-face'... Changing font of `red'... Changing font of `widget-inactive-face'... Changing font of `custom-set-face'... Changing font of `custom-button-face'... Changing font of `isearch'... Changing font of `custom-variable-tag-face'... Changing font of `right-margin'... Changing font of `gui-element'... Changing font of `blue'... Changing font of `hyper-apropos-major-heading'... Changing font of `custom-saved-face'... Changing font of `list-mode-item-selected'... Changing font of `custom-comment-face'... Changing font of `bold'... Changing font of `buffers-tab'... Changing font of `custom-invalid-face'... Changing font of `custom-group-tag-face'... Changing font of `pointer'... Changing font of `vertical-divider'... Changing font of `hyper-apropos-heading'... Changing font of `underline'... Changing font of `widget-documentation-face'... Changing font of `secondary-selection'... Changing font of `left-margin'... Changing font of `gui-button-face'... Changing font of `bold-italic'... Changing font of `custom-modified-face'... Changing font of `toolbar'... Changing font of `zmacs-region'... Changing font of `modeline-mousable'... Changing font of `border-glyph'... Changing font of `modeline'... Changing font of `modeline-buffer-id'... Changing font of `green'... Changing font of `custom-changed-face'... Changing font of `custom-documentation-face'... Changing font of `isearch-secondary'... Changing font of `highlight'... Changing font of `custom-group-tag-face-1'... Changing font of `custom-variable-button-face'... Changing font of `text-cursor'... Changing font of `widget-field-face'... Changing font of `yellow'... Changing font of `hyper-apropos-section-heading'... Changing font of `custom-face-tag-face'... Changing font of `primary-selection'... Changing font of `custom-comment-tag-face'... Changing font of `hyper-apropos-documentation'... Changing font of `italic'... Changing font of `custom-rogue-face'... Changing font of `custom-state-face'... Changing font of `modeline-mousable-minor-mode'... Recent keystrokes: C-p C-p C-up M-f M-f M-f M-f M-f M-f M-b left left C-SPC M-f M-f M-f M-f M-f M-f M-f C-f C-f M-w C-x o ' ( C-y SPC C-e ) RET C-x C-s M-x e v a l SPC b u f SPC RET RET f1 v l o a d SPC p a SPC RET C-TAB M-x e m a SPC M-h C-k r e p TAB o TAB M-x l o a d SPC l i SPC RET e m TAB a c TAB RET M-x r e p TAB o TAB TAB e TAB TAB RET Recent messages (most recent first): Parsing /usr/u/vijay/.mailrc... Loading mail-abbrevs...done (file mail-abbrevs.el is newer) Loading mail-abbrevs... (file mail-abbrevs.el is newer) Making completion list... Making completion list... Loading emacsbug...done Loading sendmail...done (file sendmail.el is newer) Loading sendmail... (file sendmail.el is newer) Loading emacsbug... Making completion list...