* emulation/edt-mapper.el (function-key-map):
(edt-map-key): Make it a function instead of using fset. Inline
edt-gnu-map-key and edt-lucid-map-key. Use featurep 'xemacs.
(edt-gnu-map-key, edt-lucid-map-key): Remove.
(edt-x-emacs-p): Remove.
(edt-emacs-variant, edt-window-system, edt-xserver):
Use featurep 'xemacs.
* net/eudc.el: Use (featurep 'xemacs) instead of the string test.
Replace eudc-xemacs-p with its definition.
(eudc-xemacs-p, eudc-emacs-p, eudc-xemacs-mule-p)
(eudc-emacs-mule-p): Remove.
(eudc-install-menu, eudc-mode): Replace eudc-emacs-p and
eudc-xemacs-p with feature tests.
* net/eudc-bob.el (eudc-bob-generic-menu, eudc-bob-mail-keymap)
(eudc-bob-url-keymap, eudc-bob-sound-keymap)
(eudc-bob-generic-keymap, eudc-bob-popup-menu)
(eudc-bob-toggle-inline-display):
* net/eudc-hotlist.el (eudc-hotlist-emacs-menu): Replace
eudc-emacs-p and eudc-xemacs-p with feature tests.
* net/eudcb-ph.el (eudc-ph-open-session): Replace
eudc-xemacs-mule-p with its former definition.
* progmodes/octave-mod.el (octave-xemacs-p): Remove.
(octave-abbrev-start): Replace octave-xemacs-p with
(featurep 'xemacs).
* progmodes/vera-mode.el (vera-xemacs): Remove.
(vera-mode-syntax-table): Replace vera-xemacs with
(featurep 'xemacs).