/usr/share/vim/vim80/syntax/smith.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 | " Vim syntax file
" Language: SMITH
" Maintainer: Rafal M. Sulejman <rms@poczta.onet.pl>
" Last Change: 21.07.2000
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
syn case ignore
syn match smithComment ";.*$"
syn match smithNumber "\<[+-]*[0-9]\d*\>"
syn match smithRegister "R[\[]*[0-9]*[\]]*"
syn match smithKeyword "COR\|MOV\|MUL\|NOT\|STOP\|SUB\|NOP\|BLA\|REP"
syn region smithString start=+"+ skip=+\\\\\|\\"+ end=+"+
syn case match
" Define the default highlighting.
" Only when an item doesn't have highlighting yet
hi def link smithRegister Identifier
hi def link smithKeyword Keyword
hi def link smithComment Comment
hi def link smithString String
hi def link smithNumber Number
let b:current_syntax = "smith"
" vim: ts=2
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