gnus-url-unhex-string
gnus-url-unhex-string is a compiled Lisp function in `gnus-util.el
'.
(gnus-url-unhex-string STR &optional ALLOW-NEWLINES)
Remove %XX, embedded spaces, etc in a url.
If optional second argument ALLOW-NEWLINES is non-nil, then allow the
decoding of carriage returns and line feeds in the string, which is normally
forbidden in URL encoding.