.ig
Test the .shift request by passing some arguments to a macro
that prints information about its arguments, shifts them, and
recurses, until it has no more arguments.
..
.cp 0
.de shift-test
.sp
Number of arguments: \\n[.$]
.br
Arguments: \\$@
.if \\n[.$] \{\
.br
Recursing...
.shift
.shift-test \\$@
.\}
..
.\"
.shift-test a b "two words" "" xyz
