roulette/vendor/github.com/alecthomas/chroma/v2/lexers/embedded/mason.xml

<lexer>
  <config>
    <name>Mason</name>
    <alias>mason</alias>
    <filename>*.m</filename>
    <filename>*.mhtml</filename>
    <filename>*.mc</filename>
    <filename>*.mi</filename>
    <filename>autohandler</filename>
    <filename>dhandler</filename>
    <mime_type>application/x-mason</mime_type>
    <priority>0.1</priority>
  </config>
  <rules>
    <state name="root">
      <rule pattern="\s+">
        <token type="Text"/>
      </rule>
      <rule pattern="(&lt;%doc&gt;)(.*?)(&lt;/%doc&gt;)(?s)">
        <bygroups>
          <token type="NameTag"/>
          <token type="CommentMultiline"/>
          <token type="NameTag"/>
        </bygroups>
      </rule>
      <rule pattern="(&lt;%(?:def|method))(\s*)(.*?)(&gt;)(.*?)(&lt;/%\2\s*&gt;)(?s)">
        <bygroups>
          <token type="NameTag"/>
          <token type="Text"/>
          <token type="NameFunction"/>
          <token type="NameTag"/>
          <usingself state="root"/>
          <token type="NameTag"/>
        </bygroups>
      </rule>
      <rule pattern="(&lt;%\w+)(.*?)(&gt;)(.*?)(&lt;/%\2\s*&gt;)(?s)">
        <bygroups>
          <token type="NameTag"/>
          <token type="NameFunction"/>
          <token type="NameTag"/>
          <using lexer="Perl"/>
          <token type="NameTag"/>
        </bygroups>
      </rule>
      <rule pattern="(&lt;&amp;[^|])(.*?)(,.*?)?(&amp;&gt;)(?s)">
        <bygroups>
          <token type="NameTag"/>
          <token type="NameFunction"/>
          <using lexer="Perl"/>
          <token type="NameTag"/>
        </bygroups>
      </rule>
      <rule pattern="(&lt;&amp;\|)(.*?)(,.*?)?(&amp;&gt;)(?s)">
        <bygroups>
          <token type="NameTag"/>
          <token type="NameFunction"/>
          <using lexer="Perl"/>
          <token type="NameTag"/>
        </bygroups>
      </rule>
      <rule pattern="&lt;/&amp;&gt;">
        <token type="NameTag"/>
      </rule>
      <rule pattern="(&lt;%!?)(.*?)(%&gt;)(?s)">
        <bygroups>
          <token type="NameTag"/>
          <using lexer="Perl"/>
          <token type="NameTag"/>
        </bygroups>
      </rule>
      <rule pattern="(?&lt;=^)#[^\n]*(\n|\Z)">
        <token type="Comment"/>
      </rule>
      <rule pattern="(?&lt;=^)(%)([^\n]*)(\n|\Z)">
        <bygroups>
          <token type="NameTag"/>
          <using lexer="Perl"/>
          <token type="Other"/>
        </bygroups>
      </rule>
      <rule pattern="(?sx)&#xA;                 (.+?)               # anything, followed by:&#xA;                 (?:&#xA;                  (?&lt;=\n)(?=[%#]) |  # an eval or comment line&#xA;                  (?=&lt;/?[%&amp;]) |      # a substitution or block or&#xA;                                     # call start or end&#xA;                                     # - don&#39;t consume&#xA;                  (\\\n) |           # an escaped newline&#xA;                  \Z                 # end of string&#xA;                 )">
        <bygroups>
          <using lexer="HTML"/>
          <token type="Operator"/>
        </bygroups>
      </rule>
    </state>
  </rules>
</lexer>