Expose `if final copy` switch to the user

[felix-schneider]

In some cases, some information in the text should be redacted in the review copy but present in the final copy. It would be nice to have to have a switch you could use in the LaTeX source so you could write both variants without worrying that you will forget to change the redacted text for the camera-ready version. Something like:

The authors asked colleagues from \iffinal{AFFILIATION}{[redacted for review copy]} for review of the results.

It is relevant information in the context of the publication that a human review was done by colleagues of the authors, but revealing the affiliation would compromise the anonymity of the submission.

[LSinev]

Why is this exposing will be better than leaving the exact solution to authors? One can define it yourself without adding packages in a way like this:

\newif\iffinal
%\finalfalse
\finaltrue
\iffinal
  \usepackage[final]{acl}
\else
  \usepackage[review]{acl}
\fi

Further use of this example is not with curly braces, though.