Joseph Wright

Struggling to find a good interface here, so pushing to v3.4.

> Ranges like 20 Hz ­— 20 kHz are really quite common, especially in electronics. So yes, at least the SI multipliers should be allowed to be different... Now that...

(Could be `range-allow-prefix-variation` or `prefix-unit-prefix-variation`)

Pushing a bit: been busy

There will be things to look at here linked to https://github.com/latex3/tagging-project

One thing to do here definitely is look at the internal structure generated by `\qty`. Currently that uses as-standard math-text-math to allow breaks with space disappearing. Probably I will need...

> Can someone please share the fix? It's been in the release for over a year - what version are you using?

@fepegar 'Update your installation'?

I've given this some thought, and at the moment it feels like it doesn't fit into `siunitx`. The 'pre-phrase' is required by the language the document is written in and...

Sorted in 1c5d746063df105f8e51e313fd2faf30e02af343