diff --git a/citar-vertico.el b/citar-vertico.el
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+;;; citar-vertico.el --- Keybinding remapping for vertico -*- lexical-binding: t; -*-
+;;
+;; Copyright (C) 2022 Bruce D'Arcus
+;;
+;;
+;; This file is not part of GNU Emacs.
+;;
+;;; Commentary:
+;;
+;;  Remaps keybindings for using 'citar--multiple-select' with vertico.
+;;
+;;; Code:
+
+(require 'vertico)
+
+(defvar vertico--input)
+(defvar vertico--history-hash)
+(defvar vertico--lock-candidate)
+(declare-function vertico--exhibit "ext:vertico")
+(declare-function vertico--candidate "ext:vertico")
+
+(defun citar-vertico--candidate ()
+  "Return current candidate for Consult preview."
+  (and vertico--input (vertico--candidate 'highlight)))
+
+(defun citar-vertico--refresh (&optional reset)
+  "Refresh completion UI, keep current candidate unless RESET is non-nil."
+  (when vertico--input
+    (setq vertico--input t)
+    (when reset
+      (setq vertico--history-hash nil
+            vertico--lock-candidate nil))
+    (vertico--exhibit)))
+
+(defun citar-vertico--crm-select ()
+  "Select/deselect candidate."
+  (interactive)
+  (when (let ((cand (vertico--candidate)))
+          (and (vertico--match-p cand) (not (equal cand ""))))
+    (vertico-exit)))
+
+(defun citar-vertico--crm-exit ()
+  "Select/deselect candidate and exit."
+  (interactive)
+  (when (let ((cand (vertico--candidate)))
+          (and (vertico--match-p cand) (not (equal cand ""))))
+    (run-at-time 0 nil #'exit-minibuffer))
+  (vertico-exit))
+
+(defvar citar-vertico--crm-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map [remap vertico-insert] #'citar-vertico--crm-select)
+    (define-key map [remap exit-minibuffer] #'citar-vertico--crm-exit)
+    map))
+
+(defun consult-vertico--crm-setup ()
+  "Setup crm for Vertico."
+  (when vertico--input
+    (use-local-map (make-composed-keymap (list consult-vertico--crm-map) (current-local-map)))))
+
+(add-hook 'citar--completion-candidate-hook #'citar-vertico--candidate)
+(add-hook 'citar--completion-refresh-hook #'citar-vertico--refresh)
+(add-hook 'citar--crm-setup-hook #'citar-vertico--crm-setup)
+
+(provide 'citar-vertico)
+;;; citar-vertico.el ends here