Add auctex package

README.org

@@ -19,9 +19,6 @@ Configure package archives and initialise.
     :config
     (add-to-list 'package-archives '("melpa-stable" . "https://stable.melpa.org/packages/"))
     (package-initialize))
-
-  ;; Plugins that still need adding / configuring: `auctex' `htmlize'
-  ;; `password-store'
 #+end_src
 ** Defaults
 Set some useful defaults. Some of these should be moved to relevant
@@ -1565,6 +1562,11 @@ Configure email with iCalendar event support, to integrate with
     (doc-view-scale-internally t)
     (doc-view-image-width 850))
 
+  (add-to-list 'package-selected-packages 'auctex)
+  (use-package auctex
+    :if (package-installed-p 'auctex)
+    :defer t)
+
   (add-to-list 'package-selected-packages 'markdown-mode)
   (use-package markdown-mode
     :if (package-installed-p 'markdown-mode)