Multi-Paragraph Blockquote.
Single-Paragraph Blockquote.
Bold.
Comma-Separated List.
Table Cell.
Citation.
Code.
Scan hit context with index ix.
Deleted.
Description.
Emphasized.
Header.
Scan hit with index ix.
Inserted.
Printed as Italic/Slanted.
List Item.
Monospaced.
Printed as Name.
Ordered List.
Paragraph.
Printed as Path.
Preformatted.
Table Row.
Numbered Rows
Strong.
Strongly Emphasized.
Subscript.
Superscript.
Table Heading.
Table. TODO Should asTable autowrap args AsRows when needed?
Unordered List. TODO Should asUList, asOList autowrap args as AsItems when needed?
Printed as URL.
Words.
Horizontal Ruler.
MDash.
Row/Column/... Span.
Attributes.
Only make T args const when they have value semantics (allAre!hasIndirections!T).