Re: macro returning a value?

[Peter Schaffter]

Ulrich --

On Mon, Nov 15, 2021, Ulrich Lauther wrote:
> I cannot reproduce the case without the blank and no extra blank
> line.  In the attached file the macro Pos1 gives the correct
> result, but an extra line.

Tack \c onto the end to suppress the line break that's causing the
blank line.

  .de Pos1 
  \R'foo1 (\\n[.d]*254+72)/72000' \\n[foo1] mm/10\c
  ..

> Pos2 gives a wrong result, but I don't see any error message.
> With "man groff"  I cannot find an option to enable error messages.

  groff -Tps -w all test > test.ps

> Pos3 gives the correct result without an extra line.

Which it should.  The result is identical to Pos1 with \c.

Hope this helps.

-- 
Peter Schaffter
https://www.schaffter.ca