anoreg

As the original file is secret for commercial use, so I can't attach here. But the reason is that, between the TAG and Child, there's a tab intent. After check...

@smart-fun here is a sample xml that cause the bug [sys_opedgerh.zip](https://github.com/smart-fun/XmlToJson/files/6277906/sys_opedgerh.zip)

Maybe we can modify the code to this: ``` /* package */ void setContent(String content) { // checks that there is a relevant content (not only spaces or \n) boolean...