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| -rw-r--r-- | TODO | 29 |
1 files changed, 29 insertions, 0 deletions
@@ -1,6 +1,27 @@ 4.1.0 ===== + * If possible, support user-pluggable stream filters. This would + enable external code to provide interpretation for filters that are + missing from qpdf. + + * If possible, consider adding RLE, CCITT3, CCITT4, or any other easy + filters. (Low priority for 4.1.0.) + + * If possible, support the following types of broken files: + + - Files that lack %%EOF at the end but otherwise have a valid + startxref near the end + + - Files that have no whitespace token after "endobj" such that + endobj collides with the start of the next object + + - Files with individual corrupted streams. Just replace the + streams with empty streams or possibly uncompress as much as + possible + + - See ../misc/broken-files + * The mingw64 package is broken. It contains a 32-bit version of libstdc++-6.dll. Fix this and make sure it can never happen again. Ideally we should test in a sandbox, but failing that, at @@ -117,8 +138,16 @@ General a strong random number and call this automatically the first time QUtil::random() is called. + * Study what's required to support savable forms that can be saved by + Adobe Reader. Does this require actually signing the document with + an Adobe private key? Search for "Digital signatures" in the PDF + spec, and look at ~/Q/pdf-collection/form-with-full-save.pdf, which + came from Adobe's example site. + * Consider the possibility of doing something locale-aware to support non-ASCII passwords. Update documentation if this is done. + Consider implementing full Unicode password algorithms from newer + encryption formats. * Consider impact of article threads on page splitting/merging. Subramanyam provided a test file; see ../misc/article-threads.pdf. |