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Jim Porter authored
Previously it always returned t or nil for NEW-WINDOW-FLAG, but now it can return the actual prefix arg when appropriate. This lets functions for 'browse-url-browser-function' consult it and do more things than just open a new window or not (for example, you could use "C--" as the prefix arg to do something special in a custom function). * lisp/net/browse-url.el (browse-url-interactive-arg): Use 'xor' to adjust the value of 'current-prefix-arg'. (browse-url): Update docstring.