[bug #62560] "[gt]roff.1: option "-z": say "Show only enabled warnings"

[G. Branden Robinson]

Update of bug #62560 (project groff):

                Severity:              3 - Normal => 1 - Wish               
                  Status:                    None => Wont Fix               
             Assigned to:                    None => gbranden               
             Open/Closed:                    Open => Closed                 

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Follow-up Comment #1:


[comment #0 original submission:]
> Subject: "[gt]roff.1: option "-z": say "Show only enabled warnings"
> 
>   Currently the option '-z' is explained with:
> 
> "Suppress formatted device-independent output of troff."
> 
>   Show the effect of this option, that is: what is shown, not was is not
> shown, like:
> 
> Output only enabled warnings.

As we've just established in bug #62559, groff and troff produce other output,
to the standard error stream.

Your suggested wording is easily falsified.


$ printf '.tm here is some output to stderr\n' | groff -z
here is some output to stderr


For that matter, let's observe this.


$ printf '.tm here is some output to stderr\n' | groff -Ez
here is some output to stderr


The `-z` option is documented as it is because it compactly describes how the
presence of the option alters the command's behavior.  This is a common
practice in Unix man pages.

Please spend some time with the groff Texinfo manual.


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