Drupal 6 link the missing manual

Did you ever create drupal internal or external paths or links ? Which function you used ? First question answer is sure, of course, why not ? . Now come to second questions. You may say i did this by raw html code i.e used html anchor tag, and sometimes used drupals l() function. But I must say, always use drupal's l() function, otherwise you fall in great problems. You may want to know why used drupal l() function to link ? For getting answer, carefully read this tutorial