Don't underline the space between RSS icons and the link text.
Fix for underlined trailing spaces on project links. Tried various solutions including the Jelly trim attribute, but in the end the only thing that would work was to remove the line break prior to the closing tag.
Fixed incosistency, use st:nbsp for all spaces.
Merge pull request #924 from dwdyer/master
Avoid linebreaks around l:breakable