Template:FIFA World Cup group table/doc

Usage
This template builds a FIFA World Cup group table from three parameters:
 * &mdash; a list of the names of the countries, one per line with no padding spaces before or after each.
 * &mdash; optionally, icons for the countries, also one per line with no padding spaces. Either provide all of them, or none.
 * &mdash; outcomes of games, one per line, in the format
 * where each pair of consecutive fields must be separated by two or more spaces. The teams must be listed in the   parameter and the scores must be numbers.
 * where each pair of consecutive fields must be separated by two or more spaces. The teams must be listed in the   parameter and the scores must be numbers.

For example,

would produce

while adding an additional parameter X Y Z T would produce
 * icons=

Internals
Subtemplate /compute uses the parameters to compute the entries for the table, and returns a wikilisp data structure containing them. Subtemplate /format formats these into a table. The two were separated to make them both easier to read.