nilpotence

The documentation of the ```PdfRendererBuilder```'s ```toStream``` method states that when calling the ```run``` method, the passed ```OutputStream``` will not be closed. That's not true in practice : the ```createPdf``` /...

### Describe the problem The docs says that user input should not be passed to the ```Html::addHtml``` function so as to not allow for server-side request forgery and so on....