/usr/share/vim/vim80/syntax/abc.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 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | " Vim syntax file
" Language: abc music notation language
" Maintainer: James Allwright <J.R.Allwright@westminster.ac.uk>
" URL: http://perun.hscs.wmin.ac.uk/~jra/vim/syntax/abc.vim
" Last Change: 27th April 2001
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
" tags
syn region abcGuitarChord start=+"[A-G]+ end=+"+ contained
syn match abcNote "z[1-9]*[0-9]*" contained
syn match abcNote "z[1-9]*[0-9]*/[248]\=" contained
syn match abcNote "[=_\^]\{,2}[A-G],*[1-9]*[0-9]*" contained
syn match abcNote "[=_\^]\{,2}[A-G],*[1-9]*[0-9]*/[248]\=" contained
syn match abcNote "[=_\^]\{,2}[a-g]'*[1-9]*[0-9]*" contained
syn match abcNote "[=_\^]\{,2}[a-g]'*[1-9]*[0-9]*/[248]\=" contained
syn match abcBar "|" contained
syn match abcBar "[:|][:|]" contained
syn match abcBar ":|2" contained
syn match abcBar "|1" contained
syn match abcBar "\[[12]" contained
syn match abcTuple "([1-9]\+:\=[0-9]*:\=[0-9]*" contained
syn match abcBroken "<\|<<\|<<<\|>\|>>\|>>>" contained
syn match abcTie "-"
syn match abcHeadField "^[A-EGHIK-TVWXZ]:.*$" contained
syn match abcBodyField "^[KLMPQWVw]:.*$" contained
syn region abcHeader start="^X:" end="^K:.*$" contained contains=abcHeadField,abcComment keepend
syn region abcTune start="^X:" end="^ *$" contains=abcHeader,abcComment,abcBar,abcNote,abcBodyField,abcGuitarChord,abcTuple,abcBroken,abcTie
syn match abcComment "%.*$"
" Define the default highlighting.
" Only when an item doesn't have highlighting yet
hi def link abcComment Comment
hi def link abcHeadField Type
hi def link abcBodyField Special
hi def link abcBar Statement
hi def link abcTuple Statement
hi def link abcBroken Statement
hi def link abcTie Statement
hi def link abcGuitarChord Identifier
hi def link abcNote Constant
let b:current_syntax = "abc"
" vim: ts=4
|