Add an XML declaration header with the optionally specified encoding.
Declared in <balxml_formatter.h>
void
addHeader(std::string_view const& encoding = "UTF-8");Version is always "1.0". The behavior is undefined unless addHeader is the first manipulator (with the exception of rawOutputStream) after construction or reset.
| Name | Description |
|---|---|
| encoding | character encoding named in the XML declaration |