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Poll: Is a calendar tabular?

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Poll: Is a calendar tabular? Lars Eighner 10-12-2007
Posted by Lars Eighner on October 12, 2007, 12:51 pm
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Is a calendar tabular data, logically meriting table markup?

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Posted by Ben C on October 12, 2007, 1:01 pm
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> Is a calendar tabular data, logically meriting table markup?

Yes. In a calendar like this:

October 2007
Mo Tu We Th Fr Sa Su
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31

Each row is a week and each column is a day. The point of a calendar
like that is so you can look up what day of the week the 27th is, or
what date it will be next Wednesday.

Others have quibbled in the past that being a visual representation of a
two-dimensional function domain is not a necessary condition of
tabularity. But it's surely a sufficient one.

Posted by Stefan Ram on October 12, 2007, 1:01 pm
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>Is a calendar tabular data, logically meriting table markup?

A calendar is a cultural phenomenon or a tool.

A table can be used to render a mapping from
a number of variables (usually 1 or 2) to a value.

Whether table markup is appropriate for a
calendar depends on the details, e.g., which
aspects and data of the calendar are to be
noted down.

One might ask questions like:

- What exactly is a »calendar« supposed
to be here?

- Is it a gregorian calendar?

- Does it contain events or just dates?

- Does it contain hours or just days?

- Which information needs to be conveyed
by it? I.e., what are the use cases of
the HTML document?

and so on.


Posted by David E. Ross on October 12, 2007, 1:05 pm
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On 10/12/2007 9:51 AM, Lars Eighner wrote:
> Is a calendar tabular data, logically meriting table markup?
>

The day of the weeks are columns; you can even markup the row with the
day-names as <th> </th> instead of <td> </td>. The weeks are rows. The
month-name belongs in <caption> </caption>. It sure seems to be a table.

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Posted by Harlan Messinger on October 12, 2007, 1:20 pm
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Lars Eighner wrote:
> Is a calendar tabular data, logically meriting table markup?
>
Yes. It represents a two-dimensional conceptual mapping: week versus
day-of-week. Calendars don't usually have an explicit column identifying
the week, but some, used for formal planning or financial purposes,
display a week number in a column to the left of the first day of the
week (Sunday in the US, Monday in many or most other places). In this
respect, it's as much a table as a presentation of sales figures with
one row for each fiscal year and one column for each of the four
quarters of the year.

The markup is as useful as for a typical data table. It's common for
someone to scan events scheduled for successive Saturdays.

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