shithub: trueawk

ref: f494dcaba37b0cade9b87f7cf4ba6bbff36c9b66
dir: /testdir/t.sub0/

{sub(/[aeiou]/, "foo"); print}
{sub("[aeiou]", "foo"); print}

{gsub(/[aeiou]/, "foo"); print}
{gsub("[aeiou]", "foo"); print}

{sub(/[aeiou]/, "&foo"); print}
{sub("[aeiou]", "&foo"); print}

{gsub(/[aeiou]/, "&foo"); print}
{gsub("[aeiou]", "&foo"); print}

{sub(/[aeiou]/, "\&foo"); print}
{sub("[aeiou]", "\&foo"); print}

{gsub(/[aeiou]/, "\&foo"); print}
{gsub("[aeiou]", "\&foo"); print}