Added main/navigation tags to meet DAP requirements: issue #3217#4734

Merged

takluyver merged 5 commits intojupyter:masterfrom

uclixnjupyternbaccessibility:issue-#3217

Jul 11, 2019

Commits on Jun 27, 2019

Fixed Issue #3217
joshuazeltser
committed

Commits on Jul 8, 2019

Added missing translation tags
joshuazeltser
authored

Commits on Jul 11, 2019