one macro language, two default languages

[Mark Davis ☕️ via CLDR-Users]

We do enforce transitivity of the aliases, so that you can get multiple
items mapping to the same replacement:

zho => zh
cmn => zho => zh

<languageAlias type="zho" replacement="zh" reason="overlong"/> <!--
[Chinese] -->

<languageAlias type="chi" replacement="zh" reason="bibliographic"/> <!--
[Chinese] -->

<languageAlias type="zh_guoyu" replacement="zh" reason="deprecated"/> <!--
Mandarin or Standard Chinese -->

<languageAlias type="cmn" replacement="zh" reason="macrolanguage"/> <!--
Mandarin Chinese ⇒ Chinese -->

Here is another example, where on the basis of information we have gotten,
there is no material difference between Tagalog and Filipino

<languageAlias type="tgl" replacement="fil" reason="overlong"/> <!--
[Tagalog] -->

<languageAlias type="tl" replacement="fil" reason="legacy"/> <!-- Tagalog
-->

However, we shouldn't do that where there wouldn't otherwise be aliases. If
you find cases that you think are wrong, you should file a ticket (with
your reasoning) and we can review.

<languageAlias type="emk" replacement="man" reason="macrolanguage"/> <!--
Maninkakan, Eastern ⇒ Mandingo -->

<languageAlias type="mnk" replacement="man" reason="macrolanguage"/> <!--
Mandinka ⇒ Mandingo -->

 One concrete action we could consider taking would be to allow the @reason
be a space-delimited list, and thus be able to represent the "chain" of
reasons for a replacement.

Mark

On Fri, Mar 23, 2018 at 7:48 AM, Martin Hosken via CLDR-Users <
cldr-users at unicode.org> wrote:

> Dear All,
>
> I notice that both mnk and emk have language aliases to man. I can
> understanding picking one language as the concrete equivalent of a macro
> language, but two?
>
> The algorithm is one way and so there is nothing to stop this happening.
> But when it comes to actual locale data, which locale should end up in
> man.xml?
>
> TIA,
> GB,
> Martin
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