<!ELEMENT COLGROUP - O (col)* -- table column group --> <!ATTLIST COLGROUP %attrs; -- %coreattrs, %i18n, %events -- span NUMBER 1 -- default number of columns in group -- width %MultiLength; #IMPLIED -- default width for enclosed COLs -- %cellhalign; -- horizontal alignment in cells -- %cellvalign; -- vertical alignment in cells -- >from the HTML 4.0 DTD, "Copyright © W3C, (MIT, INRIA, Keio). All Rights Reserved."
The contents of table cells are centered.
This is the default value for table headers, defined with the TH element.
|char||This attribute defines that the contents of table cells
must be centered around a certain character. Which character this is, is
defined with the char attribute.
If no char attribute is given, a default character is used. This is the character that is defined to represent the decimal point in the current language. In English this is the period ("."), in Dutch it is the comma (",").
|justify||The contents of table cells is evenly spread between the left and right border of a table cell. This is achieved by enlarging the space between each word on a line.|
The contents of table cells are aligned to the left side.
This is the default value for table data cells defined with the TD element.
|right||The contents of table cells are aligned to the right side.|
align="char" is not supported by IE 4.0.
align="char", this attribute specifies which character must be used to center the text around.
When more than one occurrence of the character is present, the first occurrence is used.
align="char"is used. The value can be specified as a number of pixels, or as a percentage of the current width.
This offset is added to the position where the character to center around is. The direction of the offset depends on the current direction of the text.
When the alignment character isn't present in the line, the text is shifted, so that the text ends at the offset.
|baseline||The first line of the contents of the cell are aligned with a common baseline.|
|bottom||The text in each cell in the column is aligned at the bottom of the cell.|
|middle||The text is centered vertically in each cell in the column.|
|top||The text in each cell in the column is aligned at the top of the cell.|
The value can be specified as a number of pixels, a percentage of the current width, or as a relative length.
A relative length is a number followed by a "*". The way this works is that the available space is spread over the specified values, where the number defines the relative proportion to the other columns.
For example: A table of 250 pixels wide consists of three columns, the first
with width="1*", the second with width="3*", and the third with width="1*".
The available width is divided by 5 (1 + 3 + 1) = 50 and each column gets a portion according to its value, resulting in column widths of 50, 150 and 50 pixels. (See the first example).
Relative widths are not supported by IE 4.0.