Viewing github.com/alecthomas/chroma/lexers/embedded/nginx_configuration_file.xml

```
<lexer>
```
```
  <config>
```

    <name>Nginx configuration file</name>

```
    <alias>nginx</alias>
```
```
    <filename>nginx.conf</filename>
```

    <mime_type>text/x-nginx-conf</mime_type>

```
  </config>
```
```
  <rules>
```
```
    <state name="root">
```

      <rule pattern="(include)(\s+)([^\s;]+)">

```
        <bygroups>
```
```
          <token type="Keyword"/>
```
```
          <token type="Text"/>
```
```
          <token type="Name"/>
```
```
        </bygroups>
```
```
      </rule>
```
```
      <rule pattern="[^\s;#]+">
```
```
        <token type="Keyword"/>
```
```
        <push state="stmt"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="base"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="block">
```
```
      <rule pattern="\}">
```
```
        <token type="Punctuation"/>
```
```
        <pop depth="2"/>
```
```
      </rule>
```
```
      <rule pattern="[^\s;#]+">
```

        <token type="KeywordNamespace"/>

```
        <push state="stmt"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="base"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="stmt">
```
```
      <rule pattern="\{">
```
```
        <token type="Punctuation"/>
```
```
        <push state="block"/>
```
```
      </rule>
```
```
      <rule pattern=";">
```
```
        <token type="Punctuation"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="base"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="base">
```
```
      <rule pattern="#.*\n">
```
```
        <token type="CommentSingle"/>
```
```
      </rule>
```
```
      <rule pattern="on|off">
```
```
        <token type="NameConstant"/>
```
```
      </rule>
```
```
      <rule pattern="\$[^\s;#()]+">
```
```
        <token type="NameVariable"/>
```
```
      </rule>
```

      <rule pattern="([a-z0-9.-]+)(:)([0-9]+)">

```
        <bygroups>
```
```
          <token type="Name"/>
```
```
          <token type="Punctuation"/>
```

          <token type="LiteralNumberInteger"/>

```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="[a-z-]+/[a-z-+]+">

```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
      <rule pattern="[0-9]+[km]?\b">
```

        <token type="LiteralNumberInteger"/>

```
      </rule>
```

      <rule pattern="(~)(\s*)([^\s{]+)">

```
        <bygroups>
```
```
          <token type="Punctuation"/>
```
```
          <token type="Text"/>
```

          <token type="LiteralStringRegex"/>

```
        </bygroups>
```
```
      </rule>
```
```
      <rule pattern="[:=~]">
```
```
        <token type="Punctuation"/>
```
```
      </rule>
```
```
      <rule pattern="[^\s;#{}$]+">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
      <rule pattern="/[^\s;#]*">
```
```
        <token type="Name"/>
```
```
      </rule>
```
```
      <rule pattern="\s+">
```
```
        <token type="Text"/>
```
```
      </rule>
```
```
      <rule pattern="[$;]">
```
```
        <token type="Text"/>
```
```
      </rule>
```
```
    </state>
```
```
  </rules>
```
```
</lexer>
```

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