if supplied is used as the contents of the first table cell left of the DOWs left= colspan=2| Text can be used
letters
passed as first argument to DOW templates
width
passed through to the DOW templates
start
when set to |start=Sunday, the first day listed will be Sunday. The default starting day is Monday.
Optional parameters DOW templates
1
The type of the DOW designation (symbol, abbr, name, code, number) or the length of its abbreviation (1–3 letters, full) is specified by the first parameter.
2
If a header table cell is desired, a literal exclamation mark ! must be supplied as a second parameter
3 = width
The cell and hence column width (HTML syntax, not CSS)
4 = title
The hover tip for the cell defaults to the full name in English, but can be set explicitly.