Using WebKit to encode unescaped URL strings

gistfile1.m

- (NSURL *)URLFromString:(NSString *)string;
{
    static NSPasteboard *pboard;
    if (!pboard) pboard = [[NSPasteboard pasteboardWithUniqueName] retain];
    
    [pboard clearContents];
    [pboard writeObjects:@[string]];
    
    NSURL *result = [WebView URLFromPasteboard:pboard];
    return result;
}