thead (db.cals.thead)
thead — A table header consisting of one or more rows.
Synopsis
thead (db.cals.thead) ::=
Attributes
Common attributes and common linking attributes.
Additional attributes:
- valign (enumeration)
- “bottom”
- “middle”
- “top”
Description
The thead
wrapper identifies the
row
s of a table that form the head of the table, as
distinct from the body (tbody
) and foot
(tfoot
) rows.
Header rows are always rendered at the beginning of the table.
Processing expectations
This element is expected to obey the semantics of the CALS Table Model Document Type Definition calsdtd. Header rows are often presented in an alternate typographic style, such as boldface.
In paged media, if a table spans across multiple pages, header rows are printed at the top of each new page.
Attributes
Common attributes and common linking attributes.
- valign
Specifies the vertical alignment of text in an entry.
Enumerated values: “bottom” Aligned on the bottom of the entry.
“middle” Aligned in the middle.
“top” Aligned at the top of the entry.
Parents
Children
The following elements occur in thead
: colspec
, row
(db.row).
See Also
Related elements: colspec
, entry
, entrytbl
, informaltable
, row
, spanspec
, table
, tbody
, tfoot
, tgroup
, thead
(db.cals.entrytbl.thead).