.ig
Test whether delimiter in string is processed at higher input level than
surrounding context in \w'xxx'.
..
The width of one character is \w'x'.
.br
.cp 0
.ds xx abc'abc
xx is <\*(xx>.
.br
Width of xx is \w'\*(xx' (should be 7 character widths [compat mode off]).
.br
.cp 1
.ds xx abc'abc
xx is <\*(xx>.
.br
Width of xx is \w'\*(xx' (should be 3 character widths with extra garbage
following [compat mode on]).
.br
