Bruce Korb wrote (in a discussion about how to avoid m4 underquotation bugs):
> The complexity stems from both the m4 language choice and
> the brevity of the chosen quote markers. The language issue
> is that macros inherit the quote markers from their invocation
> environment. Nothing you can d
> > The complexity stems from both the m4 language choice and
> > the brevity of the chosen quote markers. The language issue
> > is that macros inherit the quote markers from their invocation
> > environment. Nothing you can do about that. (Too late to
> > choose another language without starti