> I have been seeing the current CSS support taking in consideration > the > process of tracking the source of the property value of each object > property. > > We know the styles are added to 'style' attribute immediately on > creation. Besides one can modify any attribute's value via the XML > editor after altering the values in its right panel and clicking the > 'Set' button. The modified value is saved and reflected in the > drawing. And on opening the file in text editor, everything is > alright. Correct > Next I merge the styles of the object via 'Stylesheet' in Extensions > to a stylesheet, save it and open it in text editor, same attributes > and values are saved in <style>.....</style> tags. Yes. > But now when I modify any attribute's value in XML editor, 'style' > attribute and drawing are working right but the values are not > updated > in the stylesheet. Is this what I have to fix to track the source of > values? Basically, yes. Relying on an extension to create and manage style sheets is not a good idea. It is very limiting as to what can be done and it requires manual intervention.