What is the smallest possible valid PDF?

Re:What is the smallest possible valid PDF? by NanoWar on Friday March 20, 2020 @02:28PM (#22640085)

Here is a great collection of smallest X: https://github.com/mathiasbynens/small

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Re:What is the smallest possible valid PDF? by app4soft on Friday March 20, 2020 @08:16PM (#22643082)

So, `pdf.pdf`[0] (130 Bytes) from this repo is the smallest valid PDF?

[0] https://github.com/mathiasbynens/small/blob/master/pdf.pdf

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Re:What is the smallest possible valid PDF? by macintux on Friday March 20, 2020 @08:57PM (#22643319)

I suspect the answer depends on how you define “valid”.

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Re:What is the smallest possible valid PDF? by app4soft on Saturday March 21, 2020 @10:59AM (#22646927)

I'm itself hard to answer to this question.

In means of "minimal valid raster image" - its raster image with 1px × 1px; in means of "minimal valid vector image" - its vector image with single dot OR single line segment.

But I can't imagine what is "minimal valid raster PDF" means.

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Re:What is the smallest possible valid PDF? by oftenwrong on Friday March 20, 2020 @02:48PM (#22640366)

I would love to see a write-up (like the SO answer) for each of those.

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