tldr/pages/common/pgmdeshadow.md

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# pgmdeshadow
> Deshadow a PGM image.
> More information: <https://netpbm.sourceforge.net/doc/pgmdeshadow.html>.
- Remove grey shadows from a PGM image:
`pgmdeshadow {{path/to/input_file.pgm}} > {{path/to/output_file.pgm}}`