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|+ Table caption adds the caption "Table caption" to the top of the table. A caption is optional, but recommended according to accessibility guidelines. |-adds a new row, which should be followed by the same number of cells found in other rows. Note, rowspan="2" and colspan="2" can be used on cells to span multiple rows and columns.
Each row must have the same number of cells as the other rows, so that the number of columns in the table remains consistent. With colspan and rowspan cells can span several columns or rows; (see § Mélange, below)
If you use tables for two-dimensional graphics you might discover a "feature" in HTML that promotes grey hair. It can affect both rows and columns, depending on the use of either rowspan or colspan. In this 7-row table three cells are assigned a rowspan of 3, but the table totals 6 rows. Where is row 4? There is a row 5-4!
For columns, one uses |colspan=n | content, whereas for rows, one uses |rowspan=m | content. In the table code, one must leave out the cells that are covered by such a span. The resulting column- and row-counting must fit. Tables can have cells spanning multiple rows, using |rowspan=n. The number of rows must be indicated with each use of rowspan.
This also applies to other coding approaches, such as divs with CSS styling, or rowspan and colspan HTML cell attributes. Nesting data tables with header cells also makes it difficult for assistive readers to parse them sensibly, and should be avoided.
The first uses colspan="2" <-- This row has three table data cells, but one spans two rows because it uses rowspan="2" <-- This row has only two table data cells, ...
Old screen readers, text-to-speech systems and text browsers like Lynx do not support rowspan and colspan. The result can be very confusing for users of these technologies. It's part of the responsibility of the developers of those user agents to provide good table support in their software, and to improve their UAAG conformity.
One of several templates for styling individual table cells with standard contents and colors. Template parameters [Edit template data] This template prefers inline formatting of parameters. Parameter Description Type Status text 1 text to be displayed instead of the default; if this doesn't work put the text after the template, possibly with a vertical bar | in between Default (template ...