area — A region defined for a callout in a graphic or code example
area (db.area.inareaset) ::= alt
?
Common attributes and common linking attributes.
Additional attributes:
coords
label
Exactly one of:
units (enumeration) = “calspair” | “linecolumn” | “linecolumnpair” | “linerange”
Each of:
units
(enumeration) = “other”
otherunits (NMTOKEN)
Required attributes are shown in bold.