I tried to use this to design a filter for Privoxy to remove a . The browser showed me the line as
s/didn't remove any of the links. And I gave up.
Only after I was working at an other filter and using View Source to look a the HTM code I realised the difference. For Inspect Element the browser will use it's internal representation. And this results not only in the use of end tags, but also a different order of attributes.
A look at the actual source showed that the line in question actually looked like this
Now I was able to design the filter like this
s///Usto remove the line.