A set of additions to
URLError which provide some handy features:
Errorfrom a POSIX error code, a Mach
kern_return_t, an IOKit
IOReturn, or an
Errorrepresents a file not found error, a permissions error, or a cancellation error, regardless of the error's domain.
RecoverableErrorto present recovery options in error dialogs.
URLErrorcontaining any of their supported
These additions are free for any use under the terms of the MIT license.