diff --git a/README.md b/README.md
index 74d9bfb..8388019 100644
--- a/README.md
+++ b/README.md
@@ -286,7 +286,7 @@ Keybinding         | Description
 <kbd>C-c n</kbd> | Fix indentation in buffer and strip whitespace.
 <kbd>C-c f</kbd> | Open recently visited file.
 <kbd>C-M-\\</kbd> | Indent region (if selected) or the entire buffer.
-<kbd>C-c u</kbd> | Open URL in your default browser.
+<kbd>C-c u</kbd> | Open a new buffer containing the contents of URL.
 <kbd>C-c e</kbd> | Eval a bit of Emacs Lisp code and replace it with its result.
 <kbd>C-c s</kbd> | Swap two active windows.
 <kbd>C-c D</kbd> | Delete current file and buffer.
diff --git a/core/prelude-core.el b/core/prelude-core.el
index 72cb62c..265803f 100644
--- a/core/prelude-core.el
+++ b/core/prelude-core.el
@@ -266,8 +266,11 @@ there's a region, all lines that region covers will be duplicated."
          (url (read-from-minibuffer "URL: " default)))
     (switch-to-buffer (url-retrieve-synchronously url))
     (rename-buffer url t)
-    (cond ((search-forward "<?xml" nil t) (nxml-mode))
-          ((search-forward "<html" nil t) (html-mode)))))
+    (goto-char (point-min))
+    (re-search-forward "^$")
+    (delete-region (point-min) (point))
+    (delete-blank-lines)
+    (set-auto-mode)))
 
 (defun prelude-cleanup-buffer-or-region ()
   "Cleanup a region if selected, otherwise the whole buffer."
@@ -303,11 +306,10 @@ buffer is not visiting a file."
 
 (defadvice ido-find-file (after find-file-sudo activate)
   "Find file as root if necessary."
-  (unless (or (equal major-mode 'dired-mode)
-              (and (buffer-file-name)
-                   (not (file-exists-p (file-name-directory (buffer-file-name)))))
-              (and (buffer-file-name)
-                   (file-writable-p buffer-file-name)))
+  (unless (or (tramp-tramp-file-p buffer-file-name)
+              (equal major-mode 'dired-mode)
+              (not (file-exists-p (file-name-directory buffer-file-name)))
+              (file-writable-p buffer-file-name))
     (find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name))))
 
 (defun prelude-start-or-switch-to (function buffer-name)
@@ -371,9 +373,9 @@ Doesn't mess with special buffers."
 (defun prelude-create-scratch-buffer ()
   "Create a new scratch buffer."
   (interactive)
-  (let ((buf (get-buffer-create (generate-new-buffer-name "*scratch*"))))
-    (set-buffer-major-mode buf)
-    (switch-to-buffer buf)))
+  (let ((buf (generate-new-buffer "*scratch*")))
+    (switch-to-buffer buf)
+    (funcall initial-major-mode)))
 
 (defvar prelude-tips
   '("Press <C-c o> to open a file with external program."
diff --git a/modules/prelude-evil.el b/modules/prelude-evil.el
index aaf6acc..ef57aee 100644
--- a/modules/prelude-evil.el
+++ b/modules/prelude-evil.el
@@ -48,6 +48,9 @@
 (setq evil-insert-state-cursor '("gray" bar))
 (setq evil-motion-state-cursor '("gray" box))
 
+;; prevent esc-key from translating to meta-key in terminal mode
+(setq evil-esc-delay 0)
+
 (evil-mode 1)
 (global-evil-surround-mode 1)
 
diff --git a/modules/prelude-haskell.el b/modules/prelude-haskell.el
index 7adff88..5a35a3f 100644
--- a/modules/prelude-haskell.el
+++ b/modules/prelude-haskell.el
@@ -40,7 +40,8 @@
      (defun prelude-haskell-mode-defaults ()
        (subword-mode +1)
        (turn-on-haskell-doc-mode)
-       (turn-on-haskell-indentation))
+       (turn-on-haskell-indentation)
+       (interactive-haskell-mode +1))
 
      (setq prelude-haskell-mode-hook 'prelude-haskell-mode-defaults)
 
diff --git a/modules/prelude-latex.el b/modules/prelude-latex.el
index 069af5d..b69072a 100644
--- a/modules/prelude-latex.el
+++ b/modules/prelude-latex.el
@@ -32,14 +32,25 @@
 
 ;;; Code:
 
-(prelude-require-packages '(auctex))
+(prelude-require-packages '(auctex cdlatex))
 (require 'smartparens-latex)
+;; for case
+(require 'cl)
 
 (eval-after-load "company"
   '(progn
      (prelude-require-packages '(company-auctex))
      (company-auctex-init)))
 
+(defcustom prelude-latex-fast-math-entry 'LaTeX-math-mode
+  "Method used for fast math symbol entry in LaTeX."
+  :link '(function-link :tag "AUCTeX Math Mode" LaTeX-math-mode)
+  :link '(emacs-commentary-link :tag "CDLaTeX" "cdlatex.el")
+  :group 'prelude
+  :type '(choice (const :tag "None" nil)
+                 (const :tag "AUCTeX Math Mode" LaTeX-math-mode)
+                 (const :tag "CDLaTeX" cdlatex)))
+
 ;; AUCTeX configuration
 (setq TeX-auto-save t)
 (setq TeX-parse-self t)
@@ -65,7 +76,10 @@
   "Default Prelude hook for `LaTeX-mode'."
   (turn-on-auto-fill)
   (abbrev-mode +1)
-  (smartparens-mode +1))
+  (smartparens-mode +1)
+  (case prelude-latex-fast-math-entry
+    (LaTeX-math-mode (LaTeX-math-mode 1))
+    (cdlatex (turn-on-cdlatex))))
 
 (setq prelude-latex-mode-hook 'prelude-latex-mode-defaults)
 
diff --git a/modules/prelude-ocaml.el b/modules/prelude-ocaml.el
index 913530e..2514a00 100644
--- a/modules/prelude-ocaml.el
+++ b/modules/prelude-ocaml.el
@@ -38,18 +38,26 @@
 (require 'utop)
 (require 'merlin)
 
-(add-hook 'tuareg-mode-hook 'tuareg-imenu-set-imenu)
-
 (setq auto-mode-alist
       (append '(("\\.ml[ily]?\\'" . tuareg-mode)
                 ("\\.topml\\'" . tuareg-mode))
               auto-mode-alist))
 
-(autoload 'utop-setup-ocaml-buffer "utop" "Toplevel for OCaml" t)
-
 (add-hook 'tuareg-mode-hook 'utop-setup-ocaml-buffer)
 (add-hook 'tuareg-mode-hook 'merlin-mode)
 
+(add-hook 'tuareg-mode-hook (lambda ()
+                              (progn
+                                (define-key tuareg-mode-map (kbd "C-c C-s")
+                                  'utop))))
+
+;; Setup merlin completions company is used by default in prelude
+(add-to-list 'company-backends 'merlin-company-backend)
+
+;; But merlin also offers support for autocomplete, uncomment this next line
+;; to activate it.
+;; (setq merlin-use-auto-complete-mode t)
+
 (setq utop-command "opam config exec \"utop -emacs\""
       merlin-error-after-save nil)