Minor edits.

.emacs.d/modules/lang/latex/+viewers.el

@@ -50,6 +50,17 @@
 (after! latex-preview-pane
   (setq latex-preview-pane-multifile-mode 'auctex)
 
+  ;; TODO PR this to maintained fork. Original project appears abandoned
+  (defadvice! +latex--dont-reopen-preview-pane-a (orig-fn &rest args)
+    "Once the preview pane has been closed it should not be reopened."
+    :around #'latex-preview-pane-update
+    (letf! (defun init-latex-preview-pane (&rest _)
+             ;; HACK Avoid the function because it tries to delete the current
+             ;;      window, but it's already gone, so it ends up deleting the
+             ;;      wrong window.
+             (setq-local latex-preview-pane-mode nil))
+      (apply orig-fn args)))
+
   (define-key! doc-view-mode-map
     "ESC" #'delete-window
     "q"   #'delete-window