驗證網址netpbm.sourceforge.net安全性

PGM Format Specification - Netpbm home page

pgm Updated: 27 November 2013 Table Of Contents NAME pgm - Netpbm grayscale image format DESCRIPTION This program is part of Netpbm. The PGM format is a lowest common denominator grayscale file format. It is designed to be extremely easy to learn ......

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