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<blockquote type=cite class=cite cite=""><font size=3>I have changed that
text from "needs to" to MUST, although I think that the
sentence before that (The end user's input MUST be normalized into an
Identifier) is pretty unambiguous.</font></blockquote> <br>
I feel this is an excellent change. This style should be followed
throughout.<br><br>
The problem with 'needs to' and 'MUST' in the same document is that it
leaves the reader this little puzzle to puzzle over: What is the
normative difference between 'needs to' and 'MUST'? Why is 'needs
to' used here and 'MUST' there? Is 'needs to' weaker than 'MUST'?
Is 'needs to' stronger than 'SHOULD'?<br><br>
Cordially, Joaquin<br><br>
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