Update to emacs27 at work

.gitignore

@@ -10,6 +10,7 @@ fic-export-files/auto/*
 nohup.out
 network-security.data
 nov-places
+org-persist/*
 places
 *recentf
 request/*

config.org

@@ -509,29 +509,27 @@ In =emacs27= and above, I can set certain headlines not to be exported. I haven
     (ox-extras-activate '(ignore-headlines)))
 #+END_SRC
 
-Add the =memoir= class for LaTeX export.
+Add a couple of classes for LaTeX export.
 
 #+BEGIN_SRC emacs-lisp
-  (if (version< emacs-version "27")
-      (with-eval-after-load 'ox-latex
-        (add-to-list 'org-latex-classes
-                     '("article-std"
-                       "\\documentclass{article}
+  (add-to-list 'org-latex-classes
+               '("article-std"
+                 "\\documentclass{article}
   [NO-DEFAULT-PACKAGES]
   \\input{$HOME/.emacs.d/header.tex} %$"
-                       ("\\section{%s}" . "\\section*{%s}")
-                       ("\\subsection{%s}" . "\\subsection*{%s}")
-                       ("\\subsubsection{%s}" . "\\subsubsection*{%s}"))))
-    (add-to-list 'org-latex-classes
-                 '("memoir"
-                   "\\documentclass[9pt,b6paper]{memoir}
+                 ("\\section{%s}" . "\\section*{%s}")
+                 ("\\subsection{%s}" . "\\subsection*{%s}")
+                 ("\\subsubsection{%s}" . "\\subsubsection*{%s}")))
+  (add-to-list 'org-latex-classes
+               '("memoir"
+                 "\\documentclass[9pt,b6paper]{memoir}
   [NO-DEFAULT-PACKAGES]
   \\usepackage[namechapters]{optional}
   \\input{$HOME/.emacs.d/fic-export-files/header.tex} %$"
-                   ("\\chapter{%s}" . "\\chapter*{%s}")
-                   ("\\section{%s}" . "\\section*{%s}")
-                   ("\\subsection{%s}" . "\\subsection*{%s}")
-                   ("\\subsubsection{%s}" . "\\subsubsection*{%s}"))))
+                 ("\\chapter{%s}" . "\\chapter*{%s}")
+                 ("\\section{%s}" . "\\section*{%s}")
+                 ("\\subsection{%s}" . "\\subsection*{%s}")
+                 ("\\subsubsection{%s}" . "\\subsubsection*{%s}")))
 #+END_SRC
 
 Settings for export, mostly for DW post previews but also fic?? And work I guess, I do that sometimes.
@@ -548,8 +546,7 @@ Settings for export, mostly for DW post previews but also fic?? And work I guess
       (progn
         (setq org-export-with-author nil)
         (setq org-latex-default-class "article-std"))
-    (unless (version< emacs-version "27")
-      (setq org-latex-default-class "memoir")))
+    (setq org-latex-default-class "memoir"))
   (setq org-latex-compiler "xelatex")
   (setq org-html-validation-link nil)
   (setq org-html-doctype "html5")