Use obarrayp, not vectorp, to detect obarrays

* lisp/abbrev.el (abbrev--active-tables):
* lisp/mail/mailabbrev.el (mail-abbrevs-setup, build-mail-abbrevs)
(define-mail-abbrev, mail-resolve-all-aliases)
(mail-abbrev-insert-alias):
* lisp/mail/rmail.el (rmail-resend):
* lisp/minibuffer.el (completion-table-with-context):
* lisp/progmodes/etags.el (etags-tags-apropos-additional):
(etags--xref-apropos-additional):
Use obarrayp as predicate for obarrays.

lisp/abbrev.el

@@ -721,7 +721,7 @@ either a single abbrev table or a list of abbrev tables."
   ;; to treat the distinction between a single table and a list of tables.
   (cond
    ((consp tables) tables)
-   ((vectorp tables) (list tables))
+   ((obarrayp tables) (list tables))
    (t
     (let ((tables (if (listp local-abbrev-table)
                       (append local-abbrev-table

lisp/mail/mailabbrev.el

@@ -171,7 +171,7 @@ no aliases, which is represented by this being a table with no entries.)")
 ;;;###autoload
 (defun mail-abbrevs-setup ()
   "Initialize use of the `mailabbrev' package."
-  (if (and (not (vectorp mail-abbrevs))
+  (if (and (not (obarrayp mail-abbrevs))
 	   (file-exists-p mail-personal-alias-file))
       (progn
 	(setq mail-abbrev-modtime
@@ -196,7 +196,7 @@ no aliases, which is represented by this being a table with no entries.)")
   "Read mail aliases from personal mail alias file and set `mail-abbrevs'.
 By default this is the file specified by `mail-personal-alias-file'."
   (setq file (expand-file-name (or file mail-personal-alias-file)))
-  (if (vectorp mail-abbrevs)
+  (if (obarrayp mail-abbrevs)
       nil
     (setq mail-abbrevs nil)
     (define-abbrev-table 'mail-abbrevs '()))
@@ -278,7 +278,7 @@ double-quotes."
   ;; true, and we do some evil space->comma hacking like /bin/mail does.
   (interactive "sDefine mail alias: \nsDefine %s as mail alias for: ")
   ;; Read the defaults first, if we have not done so.
-  (unless (vectorp mail-abbrevs) (build-mail-abbrevs))
+  (unless (obarrayp mail-abbrevs) (build-mail-abbrevs))
   ;; strip garbage from front and end
   (if (string-match "\\`[ \t\n,]+" definition)
       (setq definition (substring definition (match-end 0))))
@@ -355,7 +355,7 @@ double-quotes."
   (if mail-abbrev-aliases-need-to-be-resolved
       (progn
 ;;	(message "Resolving mail aliases...")
-	(if (vectorp mail-abbrevs)
+	(if (obarrayp mail-abbrevs)
 	    (mapatoms (function mail-resolve-all-aliases-1) mail-abbrevs))
 	(setq mail-abbrev-aliases-need-to-be-resolved nil)
 ;;	(message "Resolving mail aliases... done.")
@@ -555,9 +555,9 @@ of a mail alias.  The value is set up, buffer-local, when first needed.")
 (defun mail-abbrev-insert-alias (&optional alias)
   "Prompt for and insert a mail alias."
   (interactive (progn
-		(if (not (vectorp mail-abbrevs)) (mail-abbrevs-setup))
+		(if (not (obarrayp mail-abbrevs)) (mail-abbrevs-setup))
 		(list (completing-read "Expand alias: " mail-abbrevs nil t))))
-  (if (not (vectorp mail-abbrevs)) (mail-abbrevs-setup))
+  (if (not (obarrayp mail-abbrevs)) (mail-abbrevs-setup))
   (insert (or (and alias (symbol-value (intern-soft alias mail-abbrevs))) ""))
   (mail-abbrev-expand-hook))
 

lisp/mail/rmail.el

@@ -4097,7 +4097,7 @@ typically for purposes of moderating a list."
 		  (let ((end (point-marker))
 			(local-abbrev-table mail-abbrevs)
 			(old-syntax-table (syntax-table)))
-		    (if (and (not (vectorp mail-abbrevs))
+		    (if (and (not (obarrayp mail-abbrevs))
 			     (file-exists-p mail-personal-alias-file))
 			(build-mail-abbrevs))
 		    (unless mail-abbrev-syntax-table

lisp/minibuffer.el

@@ -321,7 +321,7 @@ the form (concat S2 S)."
            ;; Predicates are called differently depending on the nature of
            ;; the completion table :-(
            (cond
-            ((vectorp table)            ;Obarray.
+            ((obarrayp table)
              (lambda (sym) (funcall pred (concat prefix (symbol-name sym)))))
             ((hash-table-p table)
              (lambda (s _v) (funcall pred (concat prefix s))))

lisp/progmodes/etags.el

@@ -1488,7 +1488,7 @@ hits the start of file."
 	      (setq symbs (symbol-value symbs))
 	    (insert (format-message "symbol `%s' has no value\n" symbs))
 	    (setq symbs nil)))
-        (if (vectorp symbs)
+        (if (obarrayp symbs)
 	    (mapatoms ins-symb symbs)
 	  (dolist (sy symbs)
 	    (funcall ins-symb (car sy))))
@@ -2183,7 +2183,7 @@ file name, add `tag-partial-file-name-match-p' to the list value.")
              (setq symbs (symbol-value symbs))
            (warn "symbol `%s' has no value" symbs)
            (setq symbs nil))
-         (if (vectorp symbs)
+         (if (obarrayp symbs)
              (mapatoms add-xref symbs)
            (dolist (sy symbs)
              (funcall add-xref (car sy))))