Re: Evaluating arithmetic expressions with macros (eval)

[Peter Hull]

On Thu, 12 Oct 2023 at 14:41, Sébastien Hinderer
<sebastien.hinde...@inria.fr> wrote:
> Aht alone was useful. It made me realise that I was using eval, rather
> than m4_eval. I assume this is why it didn't work as expected.
>
> However, eval *is* documented in section 12.2 Evaluating integer
> expressions of the m4 info manual.
The 'm4_' prefix is related to the `-P` option I believe, see
https://www.gnu.org/software/m4/manual/html_node/Operation-modes.html#Operation-modes
Peter