This file is indexed.

/usr/share/GvRng/po/gvr_en.lang is in gvrng 4.4-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE language SYSTEM "language.dtd">
<language _name="gvr_en" version="1.0" _section="Scripts" 
    mimetypes="text/x-gvr_en">
    
    
    <escape-char>\</escape-char>

    <string _name = "Multiline String" style = "String" end-at-line-end = "FALSE">
        <start-regex>[uUrR]?&quot;&quot;&quot;</start-regex>
        <end-regex>&quot;&quot;&quot;</end-regex>
    </string>

    <string _name = "Multiline String 2" style = "String" end-at-line-end = "FALSE">
        <start-regex>[uUrR]?&apos;&apos;&apos;</start-regex>
        <end-regex>&apos;&apos;&apos;</end-regex>
    </string>

    <string _name = "String" style = "String" end-at-line-end = "TRUE">
        <start-regex>[uUrR]?&quot;</start-regex>
        <end-regex>&quot;</end-regex>
    </string>

    <string _name = "String 2" style = "String" end-at-line-end = "TRUE">
        <start-regex>[uUrR]?&apos;</start-regex>
        <end-regex>&apos;</end-regex>
    </string>

    <line-comment _name = "Line Comment" style= "Comment">
        <start-regex>#</start-regex>
    </line-comment>
    
    <keyword-list _name = "World language" style = "Preprocessor" case-sensitive="TRUE">
        <keyword>robot</keyword>
        <keyword>wall</keyword>
        <keyword>size</keyword>
        <keyword>beepers</keyword>       
    </keyword-list>

    <keyword-list _name = "Program statements" style = "Comment" case-sensitive="TRUE">
        <keyword>move</keyword>
        <keyword>turnleft</keyword>
        <keyword>pickbeeper</keyword>
        <keyword>putbeeper</keyword>
        <keyword>turnoff</keyword>
        <keyword>define</keyword>
    </keyword-list>

    <keyword-list _name = "Program test" style = "Preprocessor" case-sensitive="TRUE">
        <keyword>front_is_clear</keyword>
        <keyword>front_is_blocked</keyword>
        <keyword>left_is_clear</keyword>
        <keyword>left_is_blocked</keyword>
        <keyword>right_is_clear</keyword>
        <keyword>right_is_blocked</keyword>
        <keyword>next_to_a_beeper</keyword>
        <keyword>not_next_to_a_beeper</keyword>
        <keyword>any_beepers_in_beeper_bag</keyword>
        <keyword>no_beepers_in_beeper_bag</keyword>
        <keyword>facing_north</keyword>
        <keyword>not_facing_north</keyword>
        <keyword>facing_south</keyword>
        <keyword>not_facing_south</keyword>
        <keyword>facing_east</keyword>
        <keyword>not_facing_east</keyword>
        <keyword>facing_west</keyword>
        <keyword>not_facing_west</keyword>
    </keyword-list>

    <keyword-list _name = "Program others" style = "Others" case-sensitive="TRUE">
        <keyword>if</keyword>
        <keyword>else</keyword>
        <keyword>elif</keyword>
        <keyword>do</keyword>
        <keyword>while</keyword>
    </keyword-list>

    <pattern-item _name = "Decimal" style = "Decimal">
        <regex>\b([1-9][0-9]*|0)([Uu]([Ll]|LL|ll)?|([Ll]|LL|ll)[Uu]?)?\b</regex>
    </pattern-item>

</language>