(defun xml-fmt () "Run xmllint --format." (run-command-on-buffer "xmllint" "--format" "-") ) (use-package nxml-mode :commands (nxml-mode) :pin manual :ensure nil :hook ( (nxml-mode . (lambda () (add-hook 'before-save-hook 'xml-fmt nil 'local) )) ) ) (provide 'lang-xml)