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Pino Toscano authored
Move all the private data (including the libpng types) to a private class. This requires HtmlOutputDev.cc to include <png.h> on its own (which is correct, since it uses the libpng API directly).
e306bad3
Move all the private data (including the libpng types) to a private class. This requires HtmlOutputDev.cc to include <png.h> on its own (which is correct, since it uses the libpng API directly).