/usr/share/vim/vim80/syntax/rcslog.vim is in vim-runtime 2:8.0.1453-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | " Vim syntax file
" Language: RCS log output
" Maintainer: Joe Karthauser <joe@freebsd.org>
" Last Change: 2001 May 09
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
syn match rcslogRevision "^revision.*$"
syn match rcslogFile "^RCS file:.*"
syn match rcslogDate "^date: .*$"
" Define the default highlighting.
" Only when an item doesn't have highlighting yet
hi def link rcslogFile Type
hi def link rcslogRevision Constant
hi def link rcslogDate Identifier
let b:current_syntax = "rcslog"
" vim: ts=8
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