Try to resolve a potential problem with tuareg-mode and which-function-mode

core/prelude-packages.el

@@ -94,6 +94,7 @@ PACKAGE is installed only if not already present.  The file is opened in MODE."
     ("\\.lua\\'" lua-mode lua-mode)
     ("\\.markdown\\'" markdown-mode markdown-mode)
     ("\\.md\\'" markdown-mode markdown-mode)
+    ("\\.ml\\'" tuareg tuareg-mode)
     ("\\.php\\'" php-mode php-mode)
     ("\\.sass\\'" sass-mode sass-mode)
     ("\\.scala\\'" scala-mode2 scala-mode)

modules/prelude-programming.el

@@ -97,7 +97,7 @@
 
 ;; show the name of the current function definition in the modeline
 (require 'which-func)
-(setq which-func-modes t)
+(add-to-list 'which-func-modes 'ruby-mode)
 (which-function-mode 1)
 
 ;; in Emacs 24 programming major modes generally derive from a common