Re: m4-discuss Digest, Vol 137, Issue 1

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divert wont work at arguments - they are ignored. Now I don't use divert
anymore. A good replacement is autoconf's sugar.m4's m4_expand or alike
which can do much better.

On Fri, Jun 21, 2024 at 12:02=E2=80=AFPM <[email protected]> wrote=
:

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> Today's Topics:
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>    1. diversion while collecting arguments (Ren=C3=A9 Nyffenegger)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 20 Jun 2024 18:00:02 +0200
> From: Ren=C3=A9 Nyffenegger <[email protected]>
> To: [email protected]
> Subject: diversion while collecting arguments
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=3DUTF-8; format=3Dflowed
>
> I have a file with the following content:
>
> define(show_arguments, `arg-1 =3D $1
> arg-2 =3D $2
> ')
>
> divert(1)A`'divert(0)a
>
> show_arguments(
>    divert(1)X`'divert(0)1st,
>    divert(1)Y`'divert(0)2nd)
>
> divert(1)B`'divert(0)b
>
> - - - - -
>
> m4 processes this file to:
>
> a
>
> arg-1 =3D X1st
> arg-2 =3D Y2nd
>
>
> b
> AB
>
> - - - - - -
>
> I expected the
>      divert(1)X`'divert(0)
> and
>      divert(1)Y`'divert(0)2nd)
>
> to divert the X and Y so that it is emitted at the end.
>
> Can someone explain why this is not the case?
>
> Thanks
>
> Rene
>
>
>
>
> End of m4-discuss Digest, Vol 137, Issue 1
> ******************************************
>

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<div dir=3D"ltr">divert wont work at arguments - they are ignored. Now I do=
n&#39;t use divert anymore. A good replacement is autoconf&#39;s=C2=A0sugar=
.m4&#39;s m4_expand or alike which can do much=C2=A0better.</div><br><div c=
lass=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Jun 21, =
2024 at 12:02=E2=80=AFPM &lt;<a href=3D"mailto:[email protected]">=
[email protected]</a>&gt; wrote:<br></div><blockquote class=3D"gma=
il_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,2=
04,204);padding-left:1ex">Send m4-discuss mailing list submissions to<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:[email protected]" target=3D=
"_blank">[email protected]</a><br>
<br>
To subscribe or unsubscribe via the World Wide Web, visit<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"https://lists.gnu.org/mailman/listin=
fo/m4-discuss" rel=3D"noreferrer" target=3D"_blank">https://lists.gnu.org/m=
ailman/listinfo/m4-discuss</a><br>
or, via email, send a message with subject or body &#39;help&#39; to<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:[email protected]" t=
arget=3D"_blank">[email protected]</a><br>
<br>
You can reach the person managing the list at<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:[email protected]" tar=
get=3D"_blank">[email protected]</a><br>
<br>
When replying, please edit your Subject line so it is more specific<br>
than &quot;Re: Contents of m4-discuss digest...&quot;<br>
<br>
<br>
Today&#39;s Topics:<br>
<br>
=C2=A0 =C2=A01. diversion while collecting arguments (Ren=C3=A9 Nyffenegger=
)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Thu, 20 Jun 2024 18:00:02 +0200<br>
From: Ren=C3=A9 Nyffenegger &lt;<a href=3D"mailto:[email protected]" =
target=3D"_blank">[email protected]</a>&gt;<br>
To: <a href=3D"mailto:[email protected]" target=3D"_blank">m4-discuss@gnu.=
org</a><br>
Subject: diversion while collecting arguments<br>
Message-ID: &lt;<a href=3D"mailto:a1db89dd-35db-4597-b39c-1dccc3837890@rene=
nyffenegger.ch" target=3D"_blank">a1db89dd-35db-4597-b39c-1dccc3837890@rene=
nyffenegger.ch</a>&gt;<br>
Content-Type: text/plain; charset=3DUTF-8; format=3Dflowed<br>
<br>
I have a file with the following content:<br>
<br>
define(show_arguments, `arg-1 =3D $1<br>
arg-2 =3D $2<br>
&#39;)<br>
<br>
divert(1)A`&#39;divert(0)a<br>
<br>
show_arguments(<br>
=C2=A0=C2=A0 divert(1)X`&#39;divert(0)1st,<br>
=C2=A0=C2=A0 divert(1)Y`&#39;divert(0)2nd)<br>
<br>
divert(1)B`&#39;divert(0)b<br>
<br>
- - - - -<br>
<br>
m4 processes this file to:<br>
<br>
a<br>
<br>
arg-1 =3D X1st<br>
arg-2 =3D Y2nd<br>
<br>
<br>
b<br>
AB<br>
<br>
- - - - - -<br>
<br>
I expected the<br>
=C2=A0=C2=A0=C2=A0=C2=A0 divert(1)X`&#39;divert(0)<br>
and<br>
=C2=A0=C2=A0=C2=A0=C2=A0 divert(1)Y`&#39;divert(0)2nd)<br>
<br>
to divert the X and Y so that it is emitted at the end.<br>
<br>
Can someone explain why this is not the case?<br>
<br>
Thanks<br>
<br>
Rene<br>
<br>
<br>
<br>
<br>
End of m4-discuss Digest, Vol 137, Issue 1<br>
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</blockquote></div>

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