CLDR-15034 Keyboard v3.0 draft DTD

[srl295]

CLDR-15034

For discussion!

Note this is a model of an entirely new DTD for "Keyboard 3.0", thus it is not a diff but a new DTD.

• [ ] This PR completes the ticket.

DISABLE_JIRA_ISSUE_MATCH=true ALLOW_MANY_COMMITS=true

[srl295]

@mcdurdin upcoming adhoc … gaps

I'll pull together the open items. I added some other comments.

[srl295]

now with a … file!

[srl295]

I added a new test, kbd-check that only tests keyboard files (and only runs if keyboards change).

[srl295]

s/[Compatbility Notice]/[Compatibility Notice]/

Thanks, fixed.

[srl295]

@ivan-pan FYI

[srl295]

thanks @ivan-pan for your edits!

[srl295]

I've updated the dtd and sample files

[srl295]

tests are passing locally!

I'm going to try to clean up the commits a little bit…

[jira-pull-request-webhook[bot]]

Hooray! The files in the branch are the same across the force-push. 😃

~ Your Friendly Jira-GitHub PR Checker Bot

[srl295]

restructured to 'only' 17 commits

[srl295]

• [x] add review comment: comparison to v2.0
• [x] add a 'keystroke processing lifecycle' section

[srl295]

• [x] add the @TECHPREVIEW tag to the DTD one the ticket is filed for it (will do this later)

[xadxura]

Great work, @srl295! 🎉 Huge thank you to our reviewers, @jahorton, @mcdurdin!🙏