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

```
<lexer>
```
```
  <config>
```
```
    <name>Groff</name>
```
```
    <alias>groff</alias>
```
```
    <alias>nroff</alias>
```
```
    <alias>man</alias>
```
```
    <filename>*.[1-9]</filename>
```
```
    <filename>*.1p</filename>
```
```
    <filename>*.3pm</filename>
```
```
    <filename>*.man</filename>
```

    <mime_type>application/x-troff</mime_type>

```
    <mime_type>text/troff</mime_type>
```
```
  </config>
```
```
  <rules>
```
```
    <state name="request">
```
```
      <rule pattern="\n">
```
```
        <token type="Text"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="escapes"/>
```
```
      </rule>
```

      <rule pattern="&#34;[^\n&#34;]+&#34;">

        <token type="LiteralStringDouble"/>

```
      </rule>
```
```
      <rule pattern="\d+">
```
```
        <token type="LiteralNumber"/>
```
```
      </rule>
```
```
      <rule pattern="\S+">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
      <rule pattern="\s+">
```
```
        <token type="Text"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="root">
```
```
      <rule pattern="(\.)(\w+)">
```
```
        <bygroups>
```
```
          <token type="Text"/>
```
```
          <token type="Keyword"/>
```
```
        </bygroups>
```
```
        <push state="request"/>
```
```
      </rule>
```
```
      <rule pattern="\.">
```
```
        <token type="Punctuation"/>
```
```
        <push state="request"/>
```
```
      </rule>
```
```
      <rule pattern="[^\\\n]+">
```
```
        <token type="Text"/>
```
```
        <push state="textline"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <push state="textline"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="textline">
```
```
      <rule>
```
```
        <include state="escapes"/>
```
```
      </rule>
```
```
      <rule pattern="[^\\\n]+">
```
```
        <token type="Text"/>
```
```
      </rule>
```
```
      <rule pattern="\n">
```
```
        <token type="Text"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="escapes">
```
```
      <rule pattern="\\&#34;[^\n]*">
```
```
        <token type="Comment"/>
```
```
      </rule>
```
```
      <rule pattern="\\[fn]\w">
```

        <token type="LiteralStringEscape"/>

```
      </rule>
```
```
      <rule pattern="\\\(.{2}">
```

        <token type="LiteralStringEscape"/>

```
      </rule>
```
```
      <rule pattern="\\.\[.*\]">
```

        <token type="LiteralStringEscape"/>

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

        <token type="LiteralStringEscape"/>

```
      </rule>
```
```
      <rule pattern="\\\n">
```
```
        <token type="Text"/>
```
```
        <push state="request"/>
```
```
      </rule>
```
```
    </state>
```
```
  </rules>
```
```
</lexer>
```