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Document head prefix attribute #2

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JeffJacobson opened this issue Sep 12, 2016 · 0 comments

JeffJacobson commented Sep 12, 2016

When adding the output generated by this tool to an HTML page, Visual Studio will complain with this error message:

The prefix attribute on <head> for Open Graph is missing.

It wants the following added to the head attribute.

<head prefix="og: http://ogp.me/ns#htmpl">

If this attribute is actually necessary or helpful, the generated output should note this in a comment (as it currently does with the itemscope and itemtype attributes in the html tag.
If it is not desired, document why this attribute is bad or should not be used.

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