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| -rw-r--r-- | manual/encryption.rst | 64 |
1 files changed, 40 insertions, 24 deletions
diff --git a/manual/encryption.rst b/manual/encryption.rst index 48d72435..e10caf13 100644 --- a/manual/encryption.rst +++ b/manual/encryption.rst @@ -203,30 +203,46 @@ However, the values of bits other than those in the table are ignored, so having incorrect values probably doesn't break anything in most cases. A value of 1 indicates that the permission is granted. -- 3: for ``R`` = 2 printing; for ``R`` >= 3, printing at low - resolution - -- 4: modifying the document except as controlled by bits 6, - 9, and 11 - -- 5: extracting text and graphics for purposes other than - accessibility to visually impaired users - -- 6: add or modify annotations, fill in interactive form fields; - if bit 4 is also set, create or modify interactive form fields - -- 9: for ``R`` >= 3, fill in interactive form fields even if bit 6 is - clear - -- 10: not used; formerly granted permission to extract material - for accessibility, but the specification now disallows restriction - of accessibility, and conforming readers are to treat this bit as if - it is set regardless of its value - -- 11: for ``R`` >= 3, assemble document including inserting, rotating, - or deleting pages or creating document outlines or thumbnail images - -- 12: for ``R`` >= 3, allow printing at full resolution +.. list-table:: P Parameter + :widths: 10 80 + :header-rows: 1 + + - - bit + - meaning + + - - 3 + - for ``R`` = 2 printing; for ``R`` >= 3, printing at low + resolution + + - - 4 + - modifying the document except as controlled by bits 6, + 9, and 11 + + - - 5 + - extracting text and graphics for purposes other than + accessibility to visually impaired users + + - - 6 + - add or modify annotations, fill in interactive form fields; + if bit 4 is also set, create or modify interactive form fields + + - - 9 + - for ``R`` >= 3, fill in interactive form fields even if bit 6 is + clear + + - - 10 + - not used; formerly granted permission to extract material for + accessibility, but the specification now disallows restriction of + accessibility, and conforming readers are to treat this bit as if + it is set regardless of its value + + - - 11 + - for ``R`` >= 3, assemble document including inserting, rotating, + or deleting pages or creating document outlines or thumbnail + images + + - - 12 + - for ``R`` >= 3, allow printing at full resolution .. _qpdf-P: |