It was indeed LaTeX. The ACM format creates a 1" box at the bottom of the first column which contains the copyright information. The copyright information on the authors' version (yes, I see the typo in the document…
It was indeed LaTeX. The ACM format creates a 1" box at the bottom of the first column which contains the copyright information. The copyright information on the authors' version (yes, I see the typo in the document…