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w3c / wpub-ann

Web Annotation Extensions for Web Publications
https://w3c.github.io/wpub-ann/
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Is a multi selector in fact a Selector? #26

Open iherman opened 6 years ago

iherman commented 6 years ago

(Taken from @tcole3’s comment)

iherman commented 6 years ago

Elsewhere @azaroth42 has said, "I think multiple selections should be at the SpecificResource [locator] level, the same way as we can have multiple targets in an Annotation." I would suggest that this is dependent on the answer to [issue #24]. If ERS is a valid Selector, then the multi Selector seems okay. But if ERS is not a valid type of Selector, then multi Selector is also not a Selector, and we would need to fall back on the multi-locator approach previously proposed.

(From @tcole3’s comment)

iherman commented 6 years ago

I am not sure the relation with #24 is so clear cut. Of course, if the ERS is not a valid Selector, then we have a problem with MultiSelector, too, which relies on it. However, even if ERS is a valid Selector, one could think of dumping a MultiSelector in favor of multiple locators.

That being said, it becomes also a convenience question. The Locator's usage/implementation may be simpler if everything is one locator; otherwise we are forced to define higher level notions on how locators are used (this is not a problem for WA, but we would have to do something extra here, if only by taking over more from WA). Ie, I prefer keeping the local structure, but, at the end of the day, end users as well as implementers may have to decide...