.SH DESCRIPTION\r
This function will convert the given URL encoded input string to a "plain\r
string" and return that as a new allocated string. All input characters that\r
-are URL encoded (%XX where XX is a two-digit hexadecimal number, or +) will be\r
-converted to their plain text versions (up to a ? letter, no + letters to the\r
-right of a ? letter will be converted).\r
+are URL encoded (%XX where XX is a two-digit hexadecimal number) will be\r
+converted to their plain text versions.\r
\r
If the 'length' argument is set to 0, curl_unescape() will use strlen() on the\r
input 'url' string to find out the size.\r