Introduction
============

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�C�� function �e���i�H�� javadoc-style �����ѡC�d�Ҧp�U�G

/**
 * Function of the function func.
 * @param x variable, if there are more than one @-style description, it
 *        will end with the next @-style description.
 * @return void
 */
void func(int x)
{
    ...
}

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Usage
=====
    make ���� documents
    make clean �M�� documents