[editing] Added missing caption exception (#69)

Caption needs to be a valid caret location in a table.
You can view, comment on, or merge this pull request online at:

  https://github.com/w3c/editing/pull/69

-- Commit Summary --

  * Added missing caption exception

-- File Changes --

    M contentEditableEvents.html (2)

-- Patch Links --

https://github.com/w3c/editing/pull/69.patch
https://github.com/w3c/editing/pull/69.diff

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Reply to this email directly or view it on GitHub:
https://github.com/w3c/editing/pull/69