Doxygen sql codeblock test

sql.c

/**
 * @file sql.c sql queries
 */
/*!
 * @page sqltest SQL code test 
 *
 * ~~~~~~~{.sql}
 * CREATE PROCEDURE GetUser
 *     @LastName nvarchar(50),   
 *     @FirstName nvarchar(50)   
 * AS   
 * SELECT FirstName, LastName
 * FROM Users
 * WHERE FirstName = @FirstName AND LastName = @LastName  
 * ~~~~~~~
 *
 * ~~~~~~~{.sql}
 * SELECT * FROM mytable
 * WHERE username = "1234" OR /*username = "1233"*/ OR userid = 1234 OR charcode = 'c'
 * ORDER BY id
 * -- Above query is a SELECT * query
 * ~~~~~~~
 *
 * ~~~~~~~{.sql}
 * CREATE PROCEDURE ROWPERROW()
 * BEGIN
 *   DECLARE n INT DEFAULT 0;
 *   DECLARE i INT DEFAULT 0;
 *   SELECT COUNT(*) FROM table_A INTO n;
 *   SET i=0;
 *   WHILE i<n DO 
 *     INSERT INTO table_B(ID, VAL) VALUES(ID, VAL) FROM table_A LIMIT i,1;
 *       SET i = i + 1;
 *   END WHILE;
 * END
 * ~~~~~~~
 * *
 * ~~~~~~~{.sql}
 * -- copied this from some random msdn example
 * DECLARE @AvgWeight decimal(8,2), @BikeCount int
 * IF
 * (SELECT COUNT(*) FROM Production.Product WHERE Name LIKE 'Touring-3000%' ) > 5
 * BEGIN
 *    SET @BikeCount =
 *         (SELECT COUNT(*)
 *          FROM Production.Product
 *          WHERE Name LIKE 'Touring-3000%');
 *    SET @AvgWeight =
 *         (SELECT AVG(Weight)
 *          FROM Production.Product
 *          WHERE Name LIKE 'Touring-3000%');
 *    PRINT 'There are ' + CAST(@BikeCount AS varchar(3)) + ' Touring-3000 bikes.'
 *    PRINT 'The average weight of the top 5 Touring-3000 bikes is ' + CAST(@AvgWeight AS varchar(8)) + '.';
 * END
 * ELSE
 * BEGIN
 * SET @AvgWeight =
 *         (SELECT AVG(Weight)
 *          FROM Production.Product
 *          WHERE Name LIKE 'Touring-3000%' );
 *    PRINT 'Average weight of the Touring-3000 bikes is ' + CAST(@AvgWeight AS varchar(8)) + '.' ;
 * END ;
 * GO
 * ~~~~~~~
 *
 * ~~~~~~~{.sql}
 * -- simple comment explaining this is a create table
 * CREATE TABLE Persons
 * (
 *    PersonID int,
 *    LastName varchar(255), --this is the last name
 *    FirstName varchar(255), /*This is the first name*/
 *    Address varchar(255), -- Persons address
 *    City varchar(255) DEFAULT VALUE NULL,
 *    thingy boolean DEFAULT VALUE TRUE
 * );
 * ~~~~~~~
 */