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Re: using .so in a macro

From: Ralph Corderoy
Subject: Re: using .so in a macro
Date: Thu, 16 Feb 2023 17:52:59 +0000

Hello Riza,

> Hello Ralph,
> cat | soelim | pic | tbl | groff -ms >
> What is soelim used for?

soelim(1) attempts to explain.  It doesn't tend to be needed when one
starts using troff but might be wanted in special cases later.

Consider the difference between these two if foo does a .so of bar.

    pic foo | troff
    soleim foo | pic | troff

Given the .so is processed by troff at the end of the pipeline,
the first leaves bar unseen by pic whereas the second includes
bar's content in the standard input seen by pic.

Cheers, Ralph.

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