Displays a message. Text can be formatted in C formatting style (see
Format).
By using the character "|" a line break can be made. "<c AARRGGBB>Test</c>" results in "Test" printed in color (AA: transparency, RR: red, GG: green, BB blue; using hexadecimal notation). {{C4ID}} is printed as the picture of object with ID C4ID; by specifying a number, different parts of the picture graphics can be selected, e.g. {{C4ID:2}}.