Defined page-delimiter for my elisp file to simplify narrowing. As I migrated to Markdown define fill-column for base mode.
--- a/.dir-locals.el Sun Jan 31 11:41:49 2021 +0200
+++ b/.dir-locals.el Sun Jan 31 12:15:44 2021 +0200
@@ -1,2 +1,3 @@
-((rst-mode . ((fill-column . 80)))
- (sh-mode . ((sh-basic-offset . 2))))
+((emacs-lisp-mode . ((page-delimiter . "^;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;\n")))
+ (sh-mode . ((sh-basic-offset . 2)))
+ (text-mode . ((fill-column . 80))))