vim highlighting to right edge of screen

Is it possible to define a syntax group where highlighting would extend to the right edge of the screen (and not just to the last character in the line) ? This group could potentially match several lines. I am not trying to highlight the current cursor lin开发者_如何转开发e, but rather whole comment blocks.

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See this question

You may be able to use:

:match DiffAdd '\%>72v.*'