This file is indexed.

/usr/share/highlight/langDefs/txt.lang is in highlight-common 3.8-2.

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
Description="Plain text"

Keywords={
}

Comments={
}

-- disable highlighting of numbers
Digits = Identifiers


EnableIndentation=true