   (setq-local company-backends '(company-go))
   (company-mode)
   (go-eldoc-setup)
-  (setq tab-width 2 indent-tabs-mode 1)
+  (validate-setq tab-width 2 indent-tabs-mode 1)
   (add-hook 'before-save-hook #'gofmt-before-save))
 
 (use-package company-go :ensure t

  (bind-key [f6] java-mode-map)
  ;; 2-char indent for java.
  (defvar c-basic-offset)
  (setq c-basic-offset 2)
  (set-fill-column 100))

(add-hook 'java-mode-hook #'ar/java-mode-hook-function)


(use-package elfeed :ensure t
  :config
  (validate-setq elfeed-feeds
        '(("http://ben-evans.com/benedictevans?format=RSS" blog Ben-Evans)
          ("http://ios-goodies.tumblr.com/rss" blog ios-goodies)
          ("https://feeds.feedburner.com/codinghorror" blog Coding-Horror)
