In order to remove the extra line breaks that are added to Magento product descriptions. Simply update the following file:
/app/design/frontend/base/default/template/catalog/product/view/description.phtml
Edit the line nl2br($_description) to $_description, removing nl2br.
The added line breaks were causing issues in Firefox when creating unordered lists and such as the list code would have an added line break, <br>, or what appeared to be line spacing added to each item within the list.
very helpful, thanks. People may also want to do this for their short description, which is in the view.phtml file
I must thank the both of you for this… SEM for your post and Tony for your comment as this is what I was really after!
Adios guys!