* calc/calc.el (calc-emacs-type-lucid): Remove.
(calc-digit-map, calcDigit-start, calc-read-key)
(calc-clear-unread-commands):
* calc/calc-ext.el (calc-user-key-map): Replace uses of
calc-emacs-type-lucid with (featurep 'xemacs)
* emulation/tpu-mapper.el: Replace tpu-lucid-emacs19-p with
(featurep 'xemacs).
(tpu-lucid-emacs19-p): Remove.
(tpu-map-key): Make it a function instead of using fset. Inline
tpu-emacs-map-key and tpu-lucid-map-key. Use featurep 'xemacs.
(tpu-emacs-map-key, tpu-lucid-map-key): Remove.
* ielm.el: Use featurep 'xemacs.
* progmodes/cperl-mode.el (cperl-xemacs-p): Remove.
(condition-case, cperl-can-font-lock, cperl-singly-quote-face)
(cperl-define-key, cperl-mode-map, cperl-mode, cperl-init-faces)
(cperl-write-tags, cperl-tags-hier-init, cperl-perldoc): Replace
cperl-xemacs-p with (featurep 'xemacs).
(font-lock-cache-position): Pacify byte compiler.
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