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

```
<lexer>
```
```
  <config>
```
```
    <name>Dylan</name>
```
```
    <alias>dylan</alias>
```
```
    <filename>*.dylan</filename>
```
```
    <filename>*.dyl</filename>
```
```
    <filename>*.intr</filename>
```

    <mime_type>text/x-dylan</mime_type>

    <case_insensitive>true</case_insensitive>

```
  </config>
```
```
  <rules>
```
```
    <state name="string">
```
```
      <rule pattern="&#34;">
```
```
        <token type="LiteralString"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```

      <rule pattern="\\([\\abfnrtv&#34;\&#39;]|x[a-f0-9]{2,4}|[0-7]{1,3})">

        <token type="LiteralStringEscape"/>

```
      </rule>
```
```
      <rule pattern="[^\\&#34;\n]+">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
      <rule pattern="\\\n">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
      <rule pattern="\\">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="root">
```
```
      <rule pattern="\s+">
```
```
        <token type="TextWhitespace"/>
```
```
      </rule>
```
```
      <rule pattern="//.*?\n">
```
```
        <token type="CommentSingle"/>
```
```
      </rule>
```

      <rule pattern="([a-z0-9-]+:)([ \t]*)(.*(?:\n[ \t].+)*)">

```
        <bygroups>
```

          <token type="NameAttribute"/>

          <token type="TextWhitespace"/>

          <token type="LiteralString"/>

```
        </bygroups>
```
```
      </rule>
```
```
      <rule>
```
```
        <push state="code"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="code">
```
```
      <rule pattern="\s+">
```
```
        <token type="TextWhitespace"/>
```
```
      </rule>
```
```
      <rule pattern="//.*?\n">
```
```
        <token type="CommentSingle"/>
```
```
      </rule>
```
```
      <rule pattern="/\*">
```

        <token type="CommentMultiline"/>

```
        <push state="comment"/>
```
```
      </rule>
```
```
      <rule pattern="&#34;">
```
```
        <token type="LiteralString"/>
```
```
        <push state="string"/>
```
```
      </rule>
```

      <rule pattern="&#39;(\\.|\\[0-7]{1,3}|\\x[a-f0-9]{1,2}|[^\\\&#39;\n])&#39;">

        <token type="LiteralStringChar"/>

```
      </rule>
```
```
      <rule pattern="#b[01]+">
```

        <token type="LiteralNumberBin"/>

```
      </rule>
```
```
      <rule pattern="#o[0-7]+">
```

        <token type="LiteralNumberOct"/>

```
      </rule>
```

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

        <token type="LiteralNumberFloat"/>

```
      </rule>
```
```
      <rule pattern="[-+]?\d+">
```

        <token type="LiteralNumberInteger"/>

```
      </rule>
```
```
      <rule pattern="#x[0-9a-f]+">
```

        <token type="LiteralNumberHex"/>

```
      </rule>
```

      <rule pattern="(\?\\?)([\w!&amp;*&lt;&gt;|^$%@+~?/=-]+)(:)(token|name|variable|expression|body|case-body|\*)">

```
        <bygroups>
```
```
          <token type="Operator"/>
```
```
          <token type="NameVariable"/>
```
```
          <token type="Operator"/>
```
```
          <token type="NameBuiltin"/>
```
```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="(\?)(:)(token|name|variable|expression|body|case-body|\*)">

```
        <bygroups>
```
```
          <token type="Operator"/>
```
```
          <token type="Operator"/>
```
```
          <token type="NameVariable"/>
```
```
        </bygroups>
```
```
      </rule>
```

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

```
        <bygroups>
```
```
          <token type="Operator"/>
```
```
          <token type="NameVariable"/>
```
```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="(=&gt;|::|#\(|#\[|##|\?\?|\?=|\?|[(){}\[\],.;])">

```
        <token type="Punctuation"/>
```
```
      </rule>
```
```
      <rule pattern=":=">
```
```
        <token type="Operator"/>
```
```
      </rule>
```
```
      <rule pattern="#[tf]">
```
```
        <token type="Literal"/>
```
```
      </rule>
```
```
      <rule pattern="#&#34;">
```

        <token type="LiteralStringSymbol"/>

```
        <push state="symbol"/>
```
```
      </rule>
```
```
      <rule pattern="#[a-z0-9-]+">
```
```
        <token type="Keyword"/>
```
```
      </rule>
```

      <rule pattern="#(all-keys|include|key|next|rest)">

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

      <rule pattern="[\w!&amp;*&lt;&gt;|^$%@+~?/=-]+:">

        <token type="KeywordConstant"/>

```
      </rule>
```

      <rule pattern="&lt;[\w!&amp;*&lt;&gt;|^$%@+~?/=-]+&gt;">

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

      <rule pattern="\*[\w!&amp;*&lt;&gt;|^$%@+~?/=-]+\*">

        <token type="NameVariableGlobal"/>

```
      </rule>
```

      <rule pattern="\$[\w!&amp;*&lt;&gt;|^$%@+~?/=-]+">

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

      <rule pattern="(let|method|function)([ \t]+)([\w!&amp;*&lt;&gt;|^$%@+~?/=-]+)">

```
        <bygroups>
```
```
          <token type="NameBuiltin"/>
```

          <token type="TextWhitespace"/>

```
          <token type="NameVariable"/>
```
```
        </bygroups>
```
```
      </rule>
```

      <rule pattern="(error|signal|return|break)">

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

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

```
        <bygroups>
```
```
          <token type="Operator"/>
```
```
          <token type="Name"/>
```
```
        </bygroups>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="comment">
```
```
      <rule pattern="[^*/]">
```

        <token type="CommentMultiline"/>

```
      </rule>
```
```
      <rule pattern="/\*">
```

        <token type="CommentMultiline"/>

```
        <push/>
```
```
      </rule>
```
```
      <rule pattern="\*/">
```

        <token type="CommentMultiline"/>

```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule pattern="[*/]">
```

        <token type="CommentMultiline"/>

```
      </rule>
```
```
    </state>
```
```
    <state name="symbol">
```
```
      <rule pattern="&#34;">
```

        <token type="LiteralStringSymbol"/>

```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule pattern="[^\\&#34;]+">
```

        <token type="LiteralStringSymbol"/>

```
      </rule>
```
```
    </state>
```
```
  </rules>
```
```
</lexer>
```

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