As I understand, login buttons should displays under comment form by defaults. And I was wondered when haven’t saw them here. Later I went to “Settings” -> “Discussion” and discovered that buttons displays if option “Users must be registered and logged in to comment” is checked out. Probably they shows only if form with inputs realy showed.
I solved this problem by this way:
In comments.php replace this string:
comment_form();
by this:
if( function_exists('wsl_render_login_form') && comments_open() && ! is_user_logged_in() ) {
wsl_render_login_form();
}else{
comment_form();
}
