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Re: [groff] 13/14: groff(1) (Synopsis, Options): Fix style nits

From: Douglas McIlroy
Subject: Re: [groff] 13/14: groff(1) (Synopsis, Options): Fix style nits
Date: Mon, 7 Jun 2021 15:57:18 -0400

> I wonder if "old" here was intended to contrast with AT&T troff
> behavior, which was to always run in what groff considers unsafe mode
> (in that it had no such distinction)

Unsafety was recognized, but there was no need to make troff aware of
it. An invocation
like this accomplishes the purpose of safe mode:

    troff safe infile

where the file "safe" removes unsafe requests. I don't think the trick
was documented;
users were left to invent it for themselves.


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