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technical stuff
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the file formats
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metadata
META
chunkprovides information on the author of the file and how the file was generated.
length | description |
---|---|
1+ | software name, variable-length string |
1+ | author name, variable-length string |
1+ | file description, variable-length string |
THMB
chunkprovides a thumbnail for this file. the entire chunk consists of PNG data.