refactor(wpcarro/emacs): Prefer (null foo) to (eq nil foo)
TIL `null` exists Change-Id: I48ef783cf5762e8770fbc6abf0d79c051e34090e Reviewed-on: https://cl.tvl.fyi/c/depot/+/6034 Reviewed-by: wpcarro <wpcarro@gmail.com> Autosubmit: wpcarro <wpcarro@gmail.com> Tested-by: BuildkiteCI
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					@ -25,9 +25,6 @@
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;; Nil     | Set
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					;; Nil     | Set
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;;
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					;;
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;; NOTE: In Elisp, values like '() (i.e. the empty list) are aliases for nil.
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					;; NOTE: In Elisp, values like '() (i.e. the empty list) are aliases for nil.
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;; What else in Elisp is an alias in this way?
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;; Examples:
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;; TODO: Provide examples of other nil types in Elisp.
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;;; Code:
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					;;; Code:
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					@ -37,7 +34,7 @@
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(defun maybe-nil? (x)
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					(defun maybe-nil? (x)
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  "Return t if X is nil."
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					  "Return t if X is nil."
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  (eq nil x))
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					  (null x))
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(defun maybe-some? (x)
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					(defun maybe-some? (x)
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  "Return t when X is non-nil."
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					  "Return t when X is non-nil."
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