> I've run pic from groff-1.18.1.1 on my extracted test file.
> Then I ran pic from groff-1.19.2pre. [...]
>
> But, the .sp -1 lines are missing in 1.19.2pre and causing all the
> trouble obviously.
I don't think so. This very change, I think, is the cause of the
problem:
> - printf("\\D'f %du'\\h'%du'\n.sp -1\n", int(f*FILL_MAX),
> -int(f*FILL_MAX));
> + // \D'Fg ...' emits a node only in compatibility mode,
> + // thus we add a dummy node
> + printf("\\&\\D'Fg %.3f'\n.sp -1\n", 1.0 - f);
It makes behave pic the same in compatibility mode and in normal groff
mode.
> Werner, you know the best why the change was made in the first
> place. Do you find this fix correct? Is it safe to assume it won't
> spoil other things?
I don't like your fix, sorry. It seems that gpresent relies on
internals of pic which have changed.
BTW, I've just changed PIC to emit `.gcolor' and `.fcolor' instead of
\m and \M, respectively.
Werner
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