Exclude pdfs from default file type about org-remark HOT 5 CLOSED

(use-package! org-remark
...
  (map! :leader
        (:prefix-map ("r" . "reading")
        :desc "Make highlight annotation for EPUB or PDF" "h" #'my-reading-make-highlight-annotation)
...
)

(defun my-reading-make-highlight-annotation ()
  "Highlight text and activate the annotation notes for input.
This single function can be called for both EPUBs and PDFs."
  (interactive)
  (cond ((eq major-mode 'nov-mode)
         (apply 'org-remark-mark (org-remark-region-or-word))
         (org-remark-view (- (point) 1))
         (switch-to-buffer "*marginal notes*")
         (evil-org-open-below 1))

        ((eq major-mode 'pdf-view-mode)
         (pdf-annot-add-highlight-markup-annotation pdf-view-active-region)
         (evil-insert 1)
         )))