On Sat, 24 Mar 2012 18:19:50 -0600, Adam Wolfe Gordon wrote: > A bit of Googling indicates that MIME types should be case insensitive > (i.e. TEXT/PLAIN should match text/plain). Given this, I think it > makes sense to change the emacs function regardless of whether it > makes sense for the CLI to output them in lower-case. Does it make sense for the cli to canonicalize the content types to always be lower case? Or should it continue to just pass the content type exactly as it appears in the original message? Given that consumers should parse it case insensitively, it maybe doesn't matter, but it might also be nice for us to be consistent. Maybe it's just ok as it is. jamie.