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| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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cmap [2020/02/23 11:09] christian [Prevent copying] |
cmap [2020/02/23 11:16] christian |
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| * the mappings are ordered. This is not strictly prescribed, but recommended by the specifications. | * the mappings are ordered. This is not strictly prescribed, but recommended by the specifications. | ||
| - | ==== Handling malformed CMaps ==== | + | ===== Monster from the wild ===== |
| Sometimes CMaps define mappings which are not covered by the codespace ranges. This can be seen very often in the wild. These illegal mappings are collected into the ''# | Sometimes CMaps define mappings which are not covered by the codespace ranges. This can be seen very often in the wild. These illegal mappings are collected into the ''# | ||
| - | ===== Monster from the wild ===== | ||
| ==== Mappings outside the codespace ==== | ==== Mappings outside the codespace ==== | ||
| Line 137: | Line 136: | ||
| using /find instead of / | using /find instead of / | ||
| + | See [[postscript# | ||
| ==== Prevent copying ==== | ==== Prevent copying ==== | ||
| Line 162: | Line 162: | ||
| Here, all codes map to the same character (Substitute character, Ctrl-Z) to prevent extracting the text. Interesting is also the ordering by the second byte, which forced me to redesign the object structure to avoid exponential processing time. | Here, all codes map to the same character (Substitute character, Ctrl-Z) to prevent extracting the text. Interesting is also the ordering by the second byte, which forced me to redesign the object structure to avoid exponential processing time. | ||
| + | |||
| + | Seen in [[https:// | ||
| ==== Char to string mapping ==== | ==== Char to string mapping ==== | ||