line-through class codesplit

[Daniel Shiffman]

Fix codesplit line-through class which should only line-through the code and not the comment. The comment to the right should not have the line:

[Jorge Moreno]

This one is resolved with the commit 04db905

[Daniel Shiffman]

I'm still seeing this in the render:

[Jorge Moreno]

mmm, it was working fine to me on 4 different browsers.
There's a small change now that should work everywhere.