patch 9.0.0894: virtual text property highlight ignores window background Commit: https://github.com/vim/vim/commit/ee28c707e474682151554499874fc7bfb53360cb Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 17 14:56:00 2022 +0000 patch 9.0.0894: virtual text property highlight ignores window background Problem: Virtual text property highlight ignores window background. Solution: Combine text prop attribute with win_attr into extra_attr. (closes #11462)

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