Add the expand-region mode

lisp/fg42/editor.el

@@ -99,6 +99,12 @@ external dependencies."
     "`pkg-info' integration.")
 
 
+  (use! expand-region
+    "Expand region increases the selected region by semantic units.
+Just keep pressing the key until it selects what you want."
+    :bind ("C-=" . er/expand-region))
+
+
   (use! helpful
     "Helpful is an alternative to the built-in Emacs help that provides much more
 contextual information."