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

```
<lexer>
```
```
  <config>
```
```
    <name>Newspeak</name>
```
```
    <alias>newspeak</alias>
```
```
    <filename>*.ns2</filename>
```

    <mime_type>text/x-newspeak</mime_type>

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

      <rule pattern="\b(Newsqueak2)\b">

        <token type="KeywordDeclaration"/>

```
      </rule>
```

      <rule pattern="&#39;[^&#39;]*&#39;">

```
        <token type="LiteralString"/>
```
```
      </rule>
```

      <rule pattern="\b(class)(\s+)(\w+)(\s*)">

```
        <bygroups>
```

          <token type="KeywordDeclaration"/>

```
          <token type="Text"/>
```
```
          <token type="NameClass"/>
```
```
          <token type="Text"/>
```
```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="\b(mixin|self|super|private|public|protected|nil|true|false)\b">

```
        <token type="Keyword"/>
```
```
      </rule>
```

      <rule pattern="(\w+\:)(\s*)([a-zA-Z_]\w+)">

```
        <bygroups>
```
```
          <token type="NameFunction"/>
```
```
          <token type="Text"/>
```
```
          <token type="NameVariable"/>
```
```
        </bygroups>
```
```
      </rule>
```
```
      <rule pattern="(\w+)(\s*)(=)">
```
```
        <bygroups>
```

          <token type="NameAttribute"/>

```
          <token type="Text"/>
```
```
          <token type="Operator"/>
```
```
        </bygroups>
```
```
      </rule>
```
```
      <rule pattern="&lt;\w+&gt;">
```
```
        <token type="CommentSpecial"/>
```
```
      </rule>
```
```
      <rule>
```

        <include state="expressionstat"/>

```
      </rule>
```
```
      <rule>
```
```
        <include state="whitespace"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="expressionstat">
```

      <rule pattern="(\d+\.\d*|\.\d+|\d+[fF])[fF]?">

        <token type="LiteralNumberFloat"/>

```
      </rule>
```
```
      <rule pattern="\d+">
```

        <token type="LiteralNumberInteger"/>

```
      </rule>
```
```
      <rule pattern=":\w+">
```
```
        <token type="NameVariable"/>
```
```
      </rule>
```
```
      <rule pattern="(\w+)(::)">
```
```
        <bygroups>
```
```
          <token type="NameVariable"/>
```
```
          <token type="Operator"/>
```
```
        </bygroups>
```
```
      </rule>
```
```
      <rule pattern="\w+:">
```
```
        <token type="NameFunction"/>
```
```
      </rule>
```
```
      <rule pattern="\w+">
```
```
        <token type="NameVariable"/>
```
```
      </rule>
```
```
      <rule pattern="\(|\)">
```
```
        <token type="Punctuation"/>
```
```
      </rule>
```
```
      <rule pattern="\[|\]">
```
```
        <token type="Punctuation"/>
```
```
      </rule>
```
```
      <rule pattern="\{|\}">
```
```
        <token type="Punctuation"/>
```
```
      </rule>
```

      <rule pattern="(\^|\+|\/|~|\*|&lt;|&gt;|=|@|%|\||&amp;|\?|!|,|-|:)">

```
        <token type="Operator"/>
```
```
      </rule>
```
```
      <rule pattern="\.|;">
```
```
        <token type="Punctuation"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="whitespace"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="literals"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="literals">
```
```
      <rule pattern="\$.">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```

      <rule pattern="&#39;[^&#39;]*&#39;">

```
        <token type="LiteralString"/>
```
```
      </rule>
```

      <rule pattern="#&#39;[^&#39;]*&#39;">

        <token type="LiteralStringSymbol"/>

```
      </rule>
```
```
      <rule pattern="#\w+:?">
```

        <token type="LiteralStringSymbol"/>

```
      </rule>
```

      <rule pattern="#(\+|\/|~|\*|&lt;|&gt;|=|@|%|\||&amp;|\?|!|,|-)+">

        <token type="LiteralStringSymbol"/>

```
      </rule>
```
```
    </state>
```
```
    <state name="whitespace">
```
```
      <rule pattern="\s+">
```
```
        <token type="Text"/>
```
```
      </rule>
```

      <rule pattern="&#34;[^&#34;]*&#34;">

```
        <token type="Comment"/>
```
```
      </rule>
```
```
    </state>
```
```
  </rules>
```
```
</lexer>
```

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