Set tab stops at column positions
.Ar tab1 , tab2 , ... , tabn .
If only a single number is given, tab stops are set that number of
column positions apart instead of the default number of 8.
column positions apart instead of the default number of 8. If the
.Fl t
option is specified, it overrides the
.Fl a
option.
.El
.Sh ENVIRONMENT
The