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/usr/share/highlight/langDefs/nemerle.lang is in highlight-common 3.8-2.

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-- Language definition generated by lang2to3

Description="Nemerle"

Digits=[[ (?:0x|0X)[0-9a-fA-F]+|\d*[\.\_]?\d+(?:[eE][\-\+]\d+)?[lLuUbfdm]* ]]

Keywords={
  { Id=1,
    List={"_", "abstract", "and", "array", "as", "base", "catch", "class", "def", "delegate", "do", "else", "enum", "event", "extern", "finally", "for", "foreach", "fun", "if", "implements", "in", "interface", "internal", "lock", "macro", "match", "module", "mutable", "namespace", "new", "out", "override", "params", "private", "protected", "public", "ref", "sealed", "static", "struct", "syntax", "this", "throw", "try", "type", "typeof", "unless", "using", "variant", "virtual", "void", "when", "where", "while", "assert", "ignore"},
  },
  { Id=2,
    List={"array", "float", "int", "string", "void", "uint", "long", "ulong", "short", "decimal", "byte", "sbyte", "ushort", "double", "list"},
  },
  { Id=3,
    List={"true", "false", "null"},
  },
  { Id=4,
    Regex=[[(\w+)\s*\(]],
  },
}

Strings={
  Delimiter=[["|']],
  RawPrefix="@",
}

IgnoreCase=false

Comments={
  { Block=false,
    Delimiter= { [[\/\/]] },
  },
  { Block=true,
    Nested=false,
    Delimiter= { [[\/\*]],[[\*\/]],}
  }
}

PreProcessor={
  Prefix=[[#]],
}

Operators=[[\(|\)|\[|\]|\{|\}|\,|\;|\:|\.|\&|\<|\>|\!|\=|\/|\*|\%|\+|\-]]

--FIXME no default escchar param: regex(\\\d{3}|\\x\p{XDigit}{2}|\\[ntvbrfa\\\?'"])