--- a/.emacs-my	Sun Nov 01 15:13:52 2015 +0200
+++ b/.emacs-my	Tue Nov 10 13:04:25 2015 +0200
@@ -2923,6 +2923,10 @@
 (add-to-list 'auto-mode-alist '("\.xsd\\'" . nxml-mode))
 (add-to-list 'auto-mode-alist '("\.rng\\'" . nxml-mode))
 (add-to-list 'auto-mode-alist '("\.xul\\'" . nxml-mode))
+(add-to-list 'auto-mode-alist '("\.xslt\\'" . nxml-mode))
+(add-to-list 'auto-mode-alist '("\.svg\\'" . nxml-mode))
+(add-to-list 'auto-mode-alist '("\.rss\\'" . nxml-mode))
+(add-to-list 'auto-mode-alist '("\.atom\\'" . nxml-mode))
 
 (my--eval-after-load nxml-mode
   (define-key nxml-mode-map [C-return] 'nxml-complete))