Changed offset reference, add small doc #23223
Merged
+6
−4
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PR Summary
As mentioned in #23208, the docs currently link to a post script reference (the blue book) that is on a system with restricted access, so I changed the link to the Red book since I found that on an official adobe site. Also changed the page # to where the reference is in the red book & took a first stab at copy pasting in the official description for offset.
I think this partially addresses #23220