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

```
<lexer>
```
```
  <config>
```
```
    <name>J</name>
```
```
    <alias>j</alias>
```
```
    <filename>*.ijs</filename>
```
```
    <mime_type>text/x-j</mime_type>
```
```
  </config>
```
```
  <rules>
```
```
    <state name="singlequote">
```
```
      <rule pattern="[^&#39;]">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
      <rule pattern="&#39;&#39;">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
      <rule pattern="&#39;">
```
```
        <token type="LiteralString"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="root">
```
```
      <rule pattern="#!.*$">
```
```
        <token type="CommentPreproc"/>
```
```
      </rule>
```
```
      <rule pattern="NB\..*">
```
```
        <token type="CommentSingle"/>
```
```
      </rule>
```
```
      <rule pattern="\n+\s*Note">
```

        <token type="CommentMultiline"/>

```
        <push state="comment"/>
```
```
      </rule>
```
```
      <rule pattern="\s*Note.*">
```
```
        <token type="CommentSingle"/>
```
```
      </rule>
```
```
      <rule pattern="\s+">
```
```
        <token type="Text"/>
```
```
      </rule>
```
```
      <rule pattern="&#39;">
```
```
        <token type="LiteralString"/>
```
```
        <push state="singlequote"/>
```
```
      </rule>
```

      <rule pattern="0\s+:\s*0|noun\s+define\s*$">

```
        <token type="NameEntity"/>
```
```
        <push state="nounDefinition"/>
```
```
      </rule>
```

      <rule pattern="(([1-4]|13)\s+:\s*0|(adverb|conjunction|dyad|monad|verb)\s+define)\b">

```
        <token type="NameFunction"/>
```

        <push state="explicitDefinition"/>

```
      </rule>
```

      <rule pattern="(label_|goto_|for_)\b[a-zA-Z]\w*\.">

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

      <rule pattern="(continue|select|return|assert|catchd|catcht|elseif|whilst|break|catch|fcase|while|throw|else|case|end|try|for|do|if)\.">

```
        <token type="NameLabel"/>
```
```
      </rule>
```
```
      <rule pattern="\b[a-zA-Z]\w*">
```
```
        <token type="NameVariable"/>
```
```
      </rule>
```

      <rule pattern="(timespacex|fixdotdot|nameclass|namelist|file2url|tmoutput|ucpcount|boxxopen|smoutput|JVERSION|datatype|toupper|tolower|alpha17|alpha27|getargs|evtloop|boxopen|fliprgb|inverse|scriptd|iospath|cutopen|isatty|toCRLF|toHOST|isutf8|getenv|stdout|script|usleep|sminfo|expand|stderr|clear|fetch|every|erase|empty|Debug|EMPTY|split|names|timex|cutLF|stdin|apply|items|table|exit|Note|list|take|leaf|type|bind|drop|rows|each|echo|sign|CRLF|utf8|sort|pick|ARGV|uucp|ucp|DEL|inv|hfd|dfh|def|LF2|EAV|toJ|TAB|nl|FF|LF|bx|nc|CR|on)">

```
        <token type="NameFunction"/>
```
```
      </rule>
```
```
      <rule pattern="=[.:]">
```
```
        <token type="Operator"/>
```
```
      </rule>
```

      <rule pattern="[-=+*#$%@!~`^&amp;&#34;;:.,&lt;&gt;{}\[\]\\|/]">

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

      <rule pattern="[abCdDeEfHiIjLMoprtT]\.">

        <token type="KeywordReserved"/>

```
      </rule>
```
```
      <rule pattern="[aDiLpqsStux]\:">
```

        <token type="KeywordReserved"/>

```
      </rule>
```
```
      <rule pattern="(_[0-9])\:">
```

        <token type="KeywordConstant"/>

```
      </rule>
```
```
      <rule pattern="\(">
```
```
        <token type="Punctuation"/>
```
```
        <push state="parentheses"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="numbers"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="comment">
```
```
      <rule pattern="[^)]">
```

        <token type="CommentMultiline"/>

```
      </rule>
```
```
      <rule pattern="^\)">
```

        <token type="CommentMultiline"/>

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

        <token type="CommentMultiline"/>

```
      </rule>
```
```
    </state>
```
```
    <state name="explicitDefinition">
```
```
      <rule pattern="\b[nmuvxy]\b">
```
```
        <token type="NameDecorator"/>
```
```
      </rule>
```
```
      <rule>
```
```
        <include state="root"/>
```
```
      </rule>
```
```
      <rule pattern="[^)]">
```
```
        <token type="Name"/>
```
```
      </rule>
```
```
      <rule pattern="^\)">
```
```
        <token type="NameLabel"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule pattern="[)]">
```
```
        <token type="Name"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="numbers">
```
```
      <rule pattern="\b_{1,2}\b">
```
```
        <token type="LiteralNumber"/>
```
```
      </rule>
```

      <rule pattern="_?\d+(\.\d+)?(\s*[ejr]\s*)_?\d+(\.?=\d+)?">

```
        <token type="LiteralNumber"/>
```
```
      </rule>
```
```
      <rule pattern="_?\d+\.(?=\d+)">
```

        <token type="LiteralNumberFloat"/>

```
      </rule>
```
```
      <rule pattern="_?\d+x">
```

        <token type="LiteralNumberIntegerLong"/>

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

        <token type="LiteralNumberInteger"/>

```
      </rule>
```
```
    </state>
```
```
    <state name="nounDefinition">
```
```
      <rule pattern="[^)]">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
      <rule pattern="^\)">
```
```
        <token type="NameLabel"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule pattern="[)]">
```
```
        <token type="LiteralString"/>
```
```
      </rule>
```
```
    </state>
```
```
    <state name="parentheses">
```
```
      <rule pattern="\)">
```
```
        <token type="Punctuation"/>
```
```
        <pop depth="1"/>
```
```
      </rule>
```
```
      <rule>
```

        <include state="explicitDefinition"/>

```
      </rule>
```
```
      <rule>
```
```
        <include state="root"/>
```
```
      </rule>
```
```
    </state>
```
```
  </rules>
```
```
</lexer>
```