nit(core): rename a parameter

core/me-loaddefs.el

@@ -478,13 +478,13 @@ Reset VAR to its standard value.
 (autoload '+unquote "../elisp/+primitives" "\
 Return EXP unquoted.
 
-(fn EXP)")
+(fn EXPR)")
 (function-put '+unquote 'pure 't)
 (function-put '+unquote 'side-effect-free 't)
 (autoload '+quoted "../elisp/+primitives" "\
 Retrun t when EXP is quoted.
 
-(fn EXP)")
+(fn EXPR)")
 (autoload '+apply-partially-right "../elisp/+primitives" "\
 Like `apply-partially', but applies the ARGS to the right of FUN.
 

elisp/+primitives.el

@@ -154,17 +154,17 @@ Return the deserialized object, or nil if the SYM.el file dont exist."
 
 ;; Adapted from `evil-unquote', takes functions into account
 ;;;###autoload
-(defun +unquote (exp)
+(defun +unquote (expr)
   "Return EXP unquoted."
   (declare (pure t) (side-effect-free t))
-  (while (memq (car-safe exp) '(quote function))
-    (setq exp (cadr exp)))
-  exp)
+  (while (memq (car-safe expr) '(quote function))
+    (setq expr (cadr expr)))
+  expr)
 
 ;;;###autoload
-(defun +quoted (exp)
+(defun +quoted (expr)
   "Retrun t when EXP is quoted."
-  (memq (car-safe exp) '(quote function)))
+  (memq (car-safe expr) '(quote function)))
 
 ;;;###autoload
 (defun +apply-partially-right (fun &rest args)