Re: inconsistent treatment of backslash-bang

[Lawrence D'Oliveiro <ldo@xxxxxxxxxxxxxxxxxxx>]

Chet Ramey wrote:

> csh allows backslash to act as an escape character
> (that is, it is removed) when it precedes ! in a double-quoted string.
> Bash doesn't ...

But if it doesn't, then why does bang not have its history-expansion
behaviour? Either it's acting as an escape or it isn't. Which is it supposed
to be?

> -- and Posix and historical sh behavior agree.  Plain and simple.

But you also said:

> I already explained that bash follows csh as closely as possible
> in its history expansion implementation.

So which is it? Is bash trying to follow csh behaviour "as closely as
possible", or not?