one-true-awk/testdir/t.gsub4

*9a7741deSElliott Hugheslength($1) == 0 { next }
*9a7741deSElliott Hughes
*9a7741deSElliott Hughes{gsub("[" $1 "]","(&)"); print}
*9a7741deSElliott Hughes{gsub("[" $1 "]","(\\&)"); print}