patch 9.0.1767: '.-' no allowed in highlight group names Commit: https://github.com/vim/vim/commit/d4376dc3ebea91abcb4d9ef9963ef5b968048b78 Author: Gregory Anders <greg@gpanders.com> Date: Sun Aug 20 19:14:03 2023 +0200 patch 9.0.1767: '.-' no allowed in highlight group names Problem: '.-' no allowed in highlight group names Solution: Allow dot and hyphen characters in highlight group names Allow dots and hyphens in group names. There does not seem to be any reason for these to be disallowed. closes: #12807 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Gregory Anders <greg@gpanders.com> Co-authored-by: Sean Dewar <seandewar@users.noreply.github.com>

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