Change: Require Emacs 26.1 or later

Already needed for when-let*, et al.

README.org

@@ -131,6 +131,8 @@ Helm and Ivy are also supported.  Note that the =helm= and =ivy= packages are no
 
 *** 1.6-pre
 
++  Emacs 26.1 or later is now required.
+
 *Added*
 +  Option =magit-todos-submodule-list= controls whether to-dos in submodules are displayed (default: off).  (Thanks to [[https://github.com/matsievskiysv][Matsievskiy S.V.]])
 

magit-todos.el

@@ -5,7 +5,7 @@
 ;; Author: Adam Porter <[email protected]>
 ;; URL: http://github.com/alphapapa/magit-todos
 ;; Version: 1.6-pre
-;; Package-Requires: ((emacs "25.2") (async "1.9.2") (dash "2.13.0") (f "0.17.2") (hl-todo "1.9.0") (magit "2.13.0") (pcre2el "1.8") (s "1.12.0") (transient "0.2.0"))
+;; Package-Requires: ((emacs "26.1") (async "1.9.2") (dash "2.13.0") (f "0.17.2") (hl-todo "1.9.0") (magit "2.13.0") (pcre2el "1.8") (s "1.12.0") (transient "0.2.0"))
 ;; Keywords: magit, vc
 
 ;;; Commentary: