i've got an issue with some navigators, when using non-ascii characters in
filenames. the standards does not define if an url-encoded filename should be
encoded using utf-8 or another encoding. i've written an alternative method of
URLUtil.URLDecode() that first tries to determine if the string can be an utf-8
string, and then use this encoding instead of the default encoding . that does
not work for 100% of all strings, since sometimes a string can look like an
utf-8, but this is occurs extremely rarely, as you need to have a very specific
sequence of special characters.
the problem occurs especially with characters in unicode range 00A0 - 00FF,
which are alternatively encoded in utf-8 or iso-8859-15.