例によってRedHat EL4にて、yumでconvertを入れたものの、バージョンが6.4.6と古く、Powerpointで作成したPDFがエラーになる。 エラー内容はこんな感じ。 $ convert -channel RGB ./test.pdf ./test.jpg **** This file has a corrupted %%EOF marker, or garbage after the %%EOF. **** The file was produced by Microsoft? PowerPoint? 2010: **** please notify the author of this software **** that the file does not conform to Adobe's published PDF **** specification. Pro