Re: [Groff] .if documentation iffy

[Ralph Corderoy]

Hi Dorai,

> The groff document at Node: if-else says that 
> 
> .if expr anything
> 
> executes ANYTHING if EXPR evaluates to non-zero.
> 
> Actually, if EXPR is a negative number, ANYTHING is not evaluated.
> This seems to be Solaris troff behavior too.  So I am not sure if it
> is the document or the implementation that is to be corrected. 

Ossanna and Kernighan's CSTR 54 says `.if N anything' evaluates
`anything' if N > 0 so the groff's and Solaris troff's behaviour is
correct and the document is incorrect.

Cheers,


Ralph.