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Fixed issue when a compressed font is too big for the default sized zlib buffer #246
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…en with an odd length code to decode which causes unpack() to have an error. If unpack() fails for any reason, just return an empty tuple as if there were no data to unpack.
o Fixed issue where a PDF comment goes to end of line so matching fails. When fixed, the old problem of having an odd length code to decode comes back causing unpack() to have a problem. This is fixed by returning an empty tuple as if there was no data to unpack. o Fixed issue when a compressed font is too big for the default sized zlib buffer.
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There are PDF files where an embedded font is so large that zlib runs out of default-sized buffer space when decompressing. The zlib module does have a way to not worry about the buffer size (and so the size of the font). This patch fixes the decompression so that it doesn't matter the amount of font data.