* The query request prop=references will return a JSON blob of all
references in the page
* Conveniently references are returned with an array id key that corresponds
to an anchor tag in the HTML
* When references storage is disabled the API request will trigger an
error.
Bug: T123290
Change-Id: I81a965bcb47d17df18f1e415e3c25f88f6b48ffc
This is to make it apparent that this isn't part of the preview
of the section itself. A span class is also added.
Bug: T125981
Change-Id: I62c8dca8ee42e79c6b7cd7f837f4e7ee65f77770
For a section preview with missing <references/> tag,
add reference lists for each group.
Bug: T7984
Change-Id: I2ca1b62fc068b20b7df4b0af2e3e79535e656259