================================================================================
Identifiers
================================================================================

int x = y;

// keyword names
int @var = @const;

// contextual keyword names
int nint = 0;
int nuint = 0;

// unicode identifiers
int under_score = 0;
int with1number = 0;
int varæble = 0;
int Переменная = 0;
int first‿letter = 0;
int ග්‍රහලෝකය = 0;
int _كوكبxxx = 0;

--------------------------------------------------------------------------------

(compilation_unit
  (global_statement
    (local_declaration_statement
      (variable_declaration
        type: (predefined_type)
        (variable_declarator
          name: (identifier)
          (identifier)))))
  (comment)
  (global_statement
    (local_declaration_statement
      (variable_declaration
        type: (predefined_type)
        (variable_declarator
          name: (identifier)
          (identifier)))))
  (comment)
  (global_statement
    (local_declaration_statement
      (variable_declaration
        type: (predefined_type)
        (variable_declarator
          name: (identifier)
          (integer_literal)))))
  (global_statement
    (local_declaration_statement
      (variable_declaration
        type: (predefined_type)
        (variable_declarator
          name: (identifier)
          (integer_literal)))))
  (comment)
  (global_statement
    (local_declaration_statement
      (variable_declaration
        type: (predefined_type)
        (variable_declarator
          name: (identifier)
          (integer_literal)))))
  (global_statement
    (local_declaration_statement
      (variable_declaration
        type: (predefined_type)
        (variable_declarator
          name: (identifier)
          (integer_literal)))))
  (global_statement
    (local_declaration_statement
      (variable_declaration
        type: (predefined_type)
        (variable_declarator
          name: (identifier)
          (integer_literal)))))
  (global_statement
    (local_declaration_statement
      (variable_declaration
        type: (predefined_type)
        (variable_declarator
          name: (identifier)
          (integer_literal)))))
  (global_statement
    (local_declaration_statement
      (variable_declaration
        type: (predefined_type)
        (variable_declarator
          name: (identifier)
          (integer_literal)))))
  (global_statement
    (local_declaration_statement
      (variable_declaration
        type: (predefined_type)
        (variable_declarator
          name: (identifier)
          (integer_literal)))))
  (global_statement
    (local_declaration_statement
      (variable_declaration
        type: (predefined_type)
        (variable_declarator
          name: (identifier)
          (integer_literal))))))
