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A comment on Security Flaws in Adobe Acrobat Reader Allow Gaining Root on macOS Silently. Parent comment
- it is plausibly open
- there are enough edge cases that your tool is the only one that does it reliably.
This is similar to doc format - apple tools or openoffice can open it, but screw it up for everyone if they try to write it.
There is a wonderful rant about another adobe file format .PSD in this code here:
https://github.com/gco/xee/blob/master/XeePhotoshopLoader.m
- it is plausibly open
- there are enough edge cases that your tool is the only one that does it reliably.
This is similar to doc format - apple tools or openoffice can open it, but screw it up for everyone if they try to write it.
There is a wonderful rant about another adobe file format .PSD in this code here:
https://github.com/gco/xee/blob/master/XeePhotoshopLoader.m