lang/ocaml: ensure * in block comments are padded

(*
 * <-- ensures there is at least one space here
 *)

modules/lang/ocaml/autoload.el

@@ -0,0 +1,9 @@
+;;; lang/ocaml/autoload.el -*- lexical-binding: t; -*-
+
+;;;###autoload
+(defun +ocaml/comment-indent-new-line ()
+  "Break line at point and indent, continuing comment if within one."
+  (interactive)
+  (comment-indent-new-line)
+  (when (eq (char-before) ?*)
+    (just-one-space)))

modules/lang/ocaml/config.el

@@ -21,6 +21,10 @@
   (when (featurep! :tools flyspell)
     (add-hook 'tuareg-mode-local-vars-hook #'flyspell-prog-mode))
 
+  ;; Ensure asterixes in block comments have at least one space of indentation
+  (setq-hook! 'tuareg-mode-hook
+    comment-line-break-function #'+ocaml/comment-indent-new-line)
+
 
   (def-package! merlin
     :unless (featurep! +lsp)