If portion of
condition is true, do
anything. Otherwise do
following .el request. .ie/.el pairs can be
nested. Syntax for
condition is described under .if.
If first argument isn't 2, columns are 1.8 inches wide; otherwise, columns are 2.5 inches wide:
.ie !'\\$1'2' .MC 1.8i 0.2i .el .MC 2.5i 0.25i