[rfc-i] Byte order marks

Joe Touch touch at ISI.EDU
Tue Nov 4 16:50:49 PST 2008


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Paul Hoffman wrote:
> At 4:17 PM -0800 11/4/08, Joe Touch wrote:
>> The whole point of selecting the particular BOM is that it would not be
>> visible -- ever.
> 
> Maybe it is not useful to recast a detailed technical discussion that
> happened a long time ago (and that you did not participate in...) as
> "the whole point...", and then end it with an absurd superlative.

Let me clarify:

Documents that describe the selection of the BOM indicate that the
specific values are defined to be a zero-width nonbreaking space, and
indicate that when the value is in the middle of a document they must be
treated as such:

http://unicode.org/faq/utf_bom.html#BOM

See also RFC3629

If you disagree with the reporting in either of these documents, please
indicate so. Yes, I inferred that defining this value as invisible was a
primary intent.

Finally, if you would like to explain how anything that is a zero-width
nonbreaking space should *ever* be visible, please let us know.

Joe
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