Tagging text as being in arbitrary complex-script languages

Eike Rathke erack at redhat.com
Tue Apr 23 16:00:22 UTC 2019

Hi Richard,

On Friday, 2019-04-19 03:32:34 +0100, Richard Wordingham wrote:

> In answer to what was intended to be a rhetorical question, I suppose
> und-Latn-t-sa-m0-iast and und-Latn-t-sa-m0-iso would work for the
> normative forms.

Seem.. at least when entered at https://r12a.github.io/app-subtags/ in
the Check form it doesn't overly complain.

However, I'd avoid 'und', to me it annotates as "can't determine what
this could be" and in fact it is listed as Undetermined.

Also, my guess is most applications would not support these tags at all.
Of course it depends what you want to use it for, whether it's inhouse
tagging you control the tools used with these tags, or meant for
publicly available classification of languages. Where some
standardization among the parties involved would come handy..

> I've successfully loaded a mocked up extension for the
> former (as explicitly using a Western script), though I don't much like
> the consequent tagging <style:text-properties ... fo:language="und"> in
> the document's content.xml.

Yes, that's ugly, but unavoidable. For which sa-Latn would be a better


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