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Yeah, ISO rules are different from IEEE and IEC rules. I’m not sure what they are on that side.</div>
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But always great when standards can’t even standardize on how to write standards!</div>
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Regards,<br>
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<b>Rajan Bhakta</b><br>
CFP</div>
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<b>From: </b>Damian McGuckin <damianm@esi.com.au><br>
<b>Date: </b>Monday, August 31, 2026 at 4:06 PM<br>
<b>To: </b>RAJAN BHAKTA <rbhakta@us.ibm.com><br>
<b>Cc: </b>CFP Interest <cfp-interest@oakapple.net><br>
<b>Subject: </b>[EXTERNAL] Re: [cfp-interest 3999] ISO Guidelines<br>
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<div class="PlainText" style="font-size: 11pt;">On Mon, 31 Aug 2026, RAJAN BHAKTA wrote:<br>
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> That is correct. No ?shall? in recommended practice. And WG14?s guidance<br>
> is no ?shall" in anything other than constraints as a general rule<br>
> (exceptions always exist) going forward and even backwards (the UB study<br>
> group is looking to remove these in other areas)!<br>
<br>
In Chapter 9 of IEEE 754 / ISO 60559, Recommended Operations has 20+<br>
occurrences of 'shall' . Hmmm<br>
<br>
Thanks - Damian<br>
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