> { "---" "-"* } => "hr"
> { text } => "p"
-text ::= item => "t"
-itemx ::= ws item => "w" | ()
-item ::= blockquote => "b"
- > pre itemx => "a"
- > structured itemx => "1"
- > structuredx itemx => "2"
- > styled itemx => "3"
- > qtext itemx => "4"
- > alphanum++ itemx => "5"
- > symbol itemx => "6"
+text ::= item
+itemx ::= ws item | ()
+item ::= blockquote
+ > pre itemx => []
+ > structured itemx => []
+ > structuredx itemx => []
+ > styled itemx => []
+ > qtext itemx => []
+ > alphanum++ itemx => []
+ > symbol itemx => []
// > sym++ itemx => []
- > Paragraph itemx => "7"
+ > Paragraph itemx => []
symbol ::= sym++