When preparing the upload of the next version of JBST to wordpress.org I found the usage of comment_form(). The documentation of comment_form() can be found at Function Reference/comment form. The documentation of comment_form() doesn’t explain why you should have to use this comment_form() call instead of code your comment form’s HTML directly into your comments.php
Continue reading: WordPress theming, the comment_form() call, and the power of Less