Are there pitfalls when removing custom attributes?

We add the ability to delete custom attributes (aka custom properties aka metadata) to a plugin. It seems, however, that the function call is successful, but the attribute is in the file.

Before studying this further, I decided that maybe someone in this forum has a few words of advice?

The troublesome attributes currently reside in the Info dictionary, but the functionality will be expanded to deal with as well as XMP.

TIA,

-Ramon

That's your problem!

Who to call only deletes the key of the (assumably) dictionary of information, but do NOT remove it from the XMP.  Since ISO 32000 clearly states that all XMP has priority on anything either in the Info - if the value is always in the XMP so it will still appear in Acrobat UI.  In fact, Acrobat will be 'Resync' the XMP in the dict of information when you save the file.

Using the SetDocInfo API (forgot the exact name offhand) - who will be responsible to delete the XMP equivalent keys as well.

Tags: Acrobat

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