**Given** I am editing Termbox content
**When** I click the Publish button
**I will to** be informed what license will my contributions be under
**so that** I can participate in the open data movement with confidence
Mock:
{F28766484}
**Acceptance Criteria**
[] When a user clicks the save button when being in editing mode, they are confronted with an overlay as seen in the mock (exception: "Remember decision for future edits" - checkbox is not part of this ticket)
[] The text above the checkbox should reflect the first part of the text shown in the current License Popup in the V1 Desktop Termbox: `By clicking "publish", you agree to the <a href="/w/index.php?title=Wikidata:Copyrights&action=edit&redlink=1" class="new" title="Wikidata:Copyrights (page does not exist)">terms of use</a>, and you irrevocably agree to release your contribution under the <a rel="nofollow" class="external text" href="https://creativecommons.org/publicdomain/zero/1.0/">Creative Commons CC0 License</a>.`
[] The terms of use and CC0 licence links open in new tabs. They should direct to the same pages the desktop version links to.
[] have a layer effect on the editable page (e.g. transparent black overlay as currently seen in the mocks)
[] When clicking cancel, the user goes back to edit mode. this allows e.g. to review or at least copy all edits already made
[] when clicking save the user agrees to the licensing for once --> the pop up will be shown again next time editing as long as the user avoids clicking the checkbox mentioned in T221836
**Remarks:**
- license pop up cannot be "clicked away" without making a decision
- this story only concerns the mobile termbox. For the desktop behaviour refer to T221779.
**Notes from Task Breakdown**
There is a similar message key `wikibase-shortcopyrightwarning` which could be reused or we could create a new one
There is a global in php which links to the license link `$wgRightsUrl`
We are happy to only inject the message etc into the client. It doesn't also need to make it to the SSR.
There exists `window.mw.config.get('wbCopyright')` which includes the totally assembled message using the message form wikibase not the new text/copy from the mock-up
We could use this with the config mixin: https://gerrit.wikimedia.org/r/plugins/gitiles/wikibase/termbox/+/master/src/client-entry.ts#22
We could also "improve" the MessageRepo to build something similar and add it as an additional message