This directory contains the images of the PNG test-suite created by
Willem van Schaik. It is available at http://www.schaik.com/pngsuite/.
The test-suite version is dated 2017-07-19.

To execute the test suite using the Img extension and all test images:
> tclsh RunPngTests.tcl --img all

To see the usage message:
> tclsh RunPngTests.tcl --help
