I summarised this out loud to a few friends last night, in gobsmacked disbelief, and one of them pointed out that the first structure would actually have made perfect sense if the attachment had been something that really did belong to the HTML part specifically – e.g. a stylesheet, or a purely presentational image.
That cured me of my gobsmacked disbelief – at least now the sending MUA only got the wrong one of two MIME structures with sensible purposes, rather than inventing something so weird it could not possibly have been useful for anything :-)
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timeasmymeasure
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Date: 2014-10-05 06:56 am (UTC)That cured me of my gobsmacked disbelief – at least now the sending MUA only got the wrong one of two MIME structures with sensible purposes, rather than inventing something so weird it could not possibly have been useful for anything :-)