brackets for [imagetxt]

[Karl Berry]

Hi Patrice,

@center @image is much improved, but there is one small infelicity: it
adds brackets around the image text.  I think C makeinfo may have done
that, but clearly it's a mistake -- once again in Arnold's real-life
case, they just get in the way.

I saw this code which appears to be what does it:

      if (!$self->{'formatters'}->[-1]->{'_top_formatter'}) {
        $text_result = '['.$text.']';
      } else {
        $text_result = $text;
      }

but the meaning of the if condition is obscure to me :), so leaving it
for you ...

Thanks,
Karl

imagetxt.tex
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api-figure1.txt
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