Do to turn on auto-fill mode. It is hard to disable it in derived modes.
--- a/.emacs-my Mon Mar 11 12:19:49 2019 +0200
+++ b/.emacs-my Tue Apr 16 11:28:40 2019 +0300
@@ -1544,8 +1544,8 @@
(setq sentence-end-double-space nil)
;; Turn on auto-fill mode
-(add-hook 'html-mode-hook 'turn-on-auto-fill)
-(add-hook 'text-mode-hook 'turn-on-auto-fill)
+;; (add-hook 'html-mode-hook 'turn-on-auto-fill)
+;; (add-hook 'text-mode-hook 'turn-on-auto-fill)
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(message "cacl, calculator")