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In this example, the scope attribute defines what the headers describe, column or row, which screen readers use. You can add a table using HTML rather than wiki markup, as described at HTML element#Tables. However, HTML tables are discouraged because wikitables are easier to customize and maintain, as described at manual of style on tables.
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 more complex table structures, Visual editor offers cell-merging operations; see details here.. In addition, it is usually possible to add or import a table that exists elsewhere (e.g., in a spreadsheet, on another website) directly into the visual editor by:
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, because its first is being taken up
It is possible to create tables with cells that stretch over two or more columns or rows (also known as merged cells). 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.
Supports a range of annotation types. Annotations are stored separately from the unmodified PDF file, or (since version 0.15 with Poppler 0.20) can be saved in the document as standard PDF annotations. Evince: GNU GPL: Yes Yes Default PDF and file viewer for GNOME; replaces GPdf. Supports addition and removal (since v3.14), of basic text note ...
If the header cells have other attributes, for example, colspan or rowspan, there must be no vertical bar | between the attributes and the template call. If your browser does not support CSS property writing-mode: vertical-rl that makes this template possible, it gracefully degrades to the default display of the table columns.
The key principle in their design and implementation is to maintain normal flow, i.e. to ensure that the ordering of the content in the page code matches the order in which the content is to be presented. This also applies to other coding approaches, such as divs with CSS styling, or rowspan and colspan HTML cell attributes.