This file is indexed.

/usr/share/source-highlight/lua.lang is in libsource-highlight-common 3.1.8-1.2.

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
include "number.lang"

string delim "[[" "]]" multiline nested

string delim "\"" "\"" escape "\\"
string delim "'" "'"  escape "\\"

keyword = "and|break|do|else|elseif|end|false|for|function|if|in|local|nil|not|or|repeat|return|then|true|until|while"

# if = is matched bewteen [[ then it must be present also in the closing ]]
environment comment delim `--\[(=*)\[` "]" + @{1} + "]" multiline nested begin
  include "url.lang"
  environment comment delim "[[" "]]" multiline nested begin
        include "url.lang"
  end
end

environment comment start "--" begin
  include "url.lang"
end

include "symbols.lang"

cbracket = "{|}"

# function = '(?:[[:alpha:]]|_)[[:word:]]*[[:blank:]]*(?:\:(?:[[:alpha:]]|_)[[:word:]]*[[:blank:]]*)?(?=\()'
function = '([[:alpha:]]|_)[[:word:]:]*(?=\()'