Commit ee632237f46c0e6ff763c7e2ff0cccb4e4710fb8
Committed by
Jay Berkenbilt
1 parent
1efcda16
Manual: reformat P information as table
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1 changed file
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40 additions
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24 deletions
manual/encryption.rst
| @@ -203,30 +203,46 @@ However, the values of bits other than those in the table are ignored, | @@ -203,30 +203,46 @@ However, the values of bits other than those in the table are ignored, | ||
| 203 | so having incorrect values probably doesn't break anything in most | 203 | so having incorrect values probably doesn't break anything in most |
| 204 | cases. A value of 1 indicates that the permission is granted. | 204 | cases. A value of 1 indicates that the permission is granted. |
| 205 | 205 | ||
| 206 | -- 3: for ``R`` = 2 printing; for ``R`` >= 3, printing at low | ||
| 207 | - resolution | ||
| 208 | - | ||
| 209 | -- 4: modifying the document except as controlled by bits 6, | ||
| 210 | - 9, and 11 | ||
| 211 | - | ||
| 212 | -- 5: extracting text and graphics for purposes other than | ||
| 213 | - accessibility to visually impaired users | ||
| 214 | - | ||
| 215 | -- 6: add or modify annotations, fill in interactive form fields; | ||
| 216 | - if bit 4 is also set, create or modify interactive form fields | ||
| 217 | - | ||
| 218 | -- 9: for ``R`` >= 3, fill in interactive form fields even if bit 6 is | ||
| 219 | - clear | ||
| 220 | - | ||
| 221 | -- 10: not used; formerly granted permission to extract material | ||
| 222 | - for accessibility, but the specification now disallows restriction | ||
| 223 | - of accessibility, and conforming readers are to treat this bit as if | ||
| 224 | - it is set regardless of its value | ||
| 225 | - | ||
| 226 | -- 11: for ``R`` >= 3, assemble document including inserting, rotating, | ||
| 227 | - or deleting pages or creating document outlines or thumbnail images | ||
| 228 | - | ||
| 229 | -- 12: for ``R`` >= 3, allow printing at full resolution | 206 | +.. list-table:: P Parameter |
| 207 | + :widths: 10 80 | ||
| 208 | + :header-rows: 1 | ||
| 209 | + | ||
| 210 | + - - bit | ||
| 211 | + - meaning | ||
| 212 | + | ||
| 213 | + - - 3 | ||
| 214 | + - for ``R`` = 2 printing; for ``R`` >= 3, printing at low | ||
| 215 | + resolution | ||
| 216 | + | ||
| 217 | + - - 4 | ||
| 218 | + - modifying the document except as controlled by bits 6, | ||
| 219 | + 9, and 11 | ||
| 220 | + | ||
| 221 | + - - 5 | ||
| 222 | + - extracting text and graphics for purposes other than | ||
| 223 | + accessibility to visually impaired users | ||
| 224 | + | ||
| 225 | + - - 6 | ||
| 226 | + - add or modify annotations, fill in interactive form fields; | ||
| 227 | + if bit 4 is also set, create or modify interactive form fields | ||
| 228 | + | ||
| 229 | + - - 9 | ||
| 230 | + - for ``R`` >= 3, fill in interactive form fields even if bit 6 is | ||
| 231 | + clear | ||
| 232 | + | ||
| 233 | + - - 10 | ||
| 234 | + - not used; formerly granted permission to extract material for | ||
| 235 | + accessibility, but the specification now disallows restriction of | ||
| 236 | + accessibility, and conforming readers are to treat this bit as if | ||
| 237 | + it is set regardless of its value | ||
| 238 | + | ||
| 239 | + - - 11 | ||
| 240 | + - for ``R`` >= 3, assemble document including inserting, rotating, | ||
| 241 | + or deleting pages or creating document outlines or thumbnail | ||
| 242 | + images | ||
| 243 | + | ||
| 244 | + - - 12 | ||
| 245 | + - for ``R`` >= 3, allow printing at full resolution | ||
| 230 | 246 | ||
| 231 | .. _qpdf-P: | 247 | .. _qpdf-P: |
| 232 | 248 |