patch 8.2.1771: synIDattr() cannot get the value of ctermul Commit: https://github.com/vim/vim/commit/391c36279415d0b8c5dba1ba11b668add04be963 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 29 20:59:17 2020 +0200 patch 8.2.1771: synIDattr() cannot get the value of ctermul Problem: synIDattr() cannot get the value of ctermul. Solution: Add the "ul" value for "what". (closes https://github.com/vim/vim/issues/7037)

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