Just as an aside: In 0.46 it is possible to convert arbitrary objects to guidelines (see the Release Notes at
http://wiki.inkscape.org/wiki/index.php/ReleaseNotes046#Creating_guidelines_from_objects
). This doesn't specifically address the above requests but may still be useful.
Just as an aside: In 0.46 it is possible to convert arbitrary objects to guidelines (see the Release Notes at
http:// wiki.inkscape. org/wiki/ index.php/ ReleaseNotes046 #Creating_ guidelines_ from_objects
). This doesn't specifically address the above requests but may still be useful.