This file is indexed.

/usr/share/highlight/langDefs/tcsh.lang is in highlight-common 3.41-1.

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
Description="TCSH"

Identifiers=[[ [a-zA-Z_\@][\w\-]* ]]

Keywords={
  { Id=1,
    List={"return", "if", "endif", "then", "else", "switch", "endsw", "while", 
            "end", "foreach", "do", "done", "", "eval", "exec", "exit", "fg", "goto", 
            "glob", "hashstat", "history", "jobs", "kill", "limit", "login", "logout", 
            "nohup", "notify", "nice", "onintr", "popd", "pushd", "printenv", "read", 
            "rehash", "repeat", "set", "setenv", "shift", "source", "suspend", "time", 
            "umask", "unalias", "unhash", "unlimit", "unset", "unsetenv", "wait", "alloc", 
            "bindkey", "builtins", "complete", "echotc", "filetest", "hup", "log", "sched", 
            "settc", "setty", "stop", "telltc", "uncomplete", "where", "which", "dirs", 
            "ls-F", "@"},
  },
  { Id=2,
    Regex=[[\$\S+]],
  },
  { Id=3,
    Regex=[[(\$\{\w+\})]],
  },

}

Strings={
  Delimiter=[["|']],
}

IgnoreCase=false

Comments={
  { Block=false,
    Delimiter= { [[#]] },
  },
}

Operators=[[\(|\)|\[|\]|\{|\}|\,|\;|\:|\&|<|>|\!|\=|\/|\*|\%|\+|\-]]