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Media Clip Data dictionary should comply with RFC 2045 - why not shall? #257

Closed petervwyatt closed 1 year ago

petervwyatt commented 1 year ago

In "Table 285 — Additional entries in a media clip data dictionary", the CT entry states:

The string should conform to the content type specification described in Internet RFC 2045.

All other references to RFC 2045 in ISO 32000-2 mandate ("shall") compliance with RFC 2045 (i.e. text in 12.7.5.3 Text fields and Web Capture CT entries in Tables 388 and 393).

Why is this a "should" and not a "shall"? How does PDF interoperability work if it is something else?

petervwyatt commented 1 year ago

@lrosenthol - any comments?

lrosenthol commented 1 year ago

Should be an ISO shall.

The should goes all the way back to the original proposal and no one caught that it should be a shall till now.

petervwyatt commented 1 year ago

PDF TWG agree