area — A region defined for a callout in a graphic or code example
area (db.area) ::=
Exactly one of:
units(enumeration) = “calspair” | “linecolumn” | “linecolumnpair” | “linerange”
units(enumeration) = “other”
Required attributes are shown in bold.
area is an empty element holding information
about a region in a graphic, program listing, or screen.
The region is generally decorated with a number, symbol, or other
distinctive mark. The mark is usually used as the label for the
callout in a
allows the reader to identify which callouts are associated with which
regions. The marks may be generated by the processing application from
areas, or it may be added by some other process.
(This is an interchange issue. See Appendix D.)
For a complete description of callouts, see
Suppressed. This element provides data for processing but it is not expected to be rendered directly.
The processing expectations of
likely to deserve special consideration for interchange. See Appendix D.
coords, which are
required, identify the location of the region. The coordinates are
CDATA; how they are interpreted depends on the
The coordinates are expressed using the semantics of the CALS graphic attributes. The format of the coordinates is “x1,y1 x2,y2”. ...