I haven't been able to add an extra line in my post by 'normal' means till now,
ie. by 'entering' or adding
However, I have managed to force HTML to create an extra line by adding:
I don't know why I am having this problem but it could be related to the theme I am using which is Mistylook (by Sadish).
I just wanted to share this info because I have been having enough probs with it till now, and there might be others with the same prob.