InternationalColorConsortium/DemoIccMAX

version-independent interpretation of bytes 84..99

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I noticed that the IccProflib reports an error in v2.x.y profile versions of the ICC profiles if the bytes corresponding to the "Profile ID" of v4.3.0 (bytes 84..99) are not zero and do not correspond to the md5 sum above the ICC header.

However, the spec for v2.x.y states that bytes 84..99 are reserved (see https://www.color.org/ICC_Minor_Revision_for_Web.pdf, page 12).

My question:

Is interpreting bytes 84..99 in v2.x.y profile versions a bug in IccProfLib?
If no, what did I interpret wrong?