I am trying to convert a theme to include indented comments using wp_list_comments but am having difficulty resolving issues pertaining to changing the background color of a comment using a callback function. The behaviour for Microsoft comment 3 illustrates the problem on http://www.robertbaptie.byethost24.com. If I change the initial comment from 'alt to '' then the problem occurs not with the first comment but with the second?
Any help here will be appreciated.
Here is the code as it currently stands:
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