Clean up manifest fallbacks section and add an extra caution #2203
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
As mentioned in #1464, this PR separates the requirements for spine fallbacks from the requirements for content fallbacks.
I've also taken the technical details about the
fallback
attribute and merged them back into theitem
element definition, as this was the most bothersome part to me in moving this section up.I've also added another layer of caution to the content fallbacks section that the mechanism was meant for
img
which now has other fallback mechanisms.Preview | Diff