basic output using "b.xxx" API

This is all b.xxx basic output API specification

procedure write_raw(data in out nocopy raw);
procedure write(text varchar2 character set any_cs);
procedure writeln(text varchar2 character set any_cs := '');
procedure string(text varchar2 character set any_cs);
procedure line(text varchar2 character set any_cs := '');
procedure w(text varchar2 character set any_cs);
procedure l(text varchar2 character set any_cs);
procedure set_line_break(nlbr varchar2);

• b.write(varchar2) or b.string(varchar2) or b.w(varchar2): write text to http entity content
• b.writeln(varchar2) or b.line(varchar2) or b.l(varchar2): write text and newline character(s) to http entity content
• b.set_line_break(nlbr) : set the newline break character(s), usually LF,CR,CRLF
• by default new line use LF or chr(10)