after viewing the subsilver2 theme with the preview-function, I manually changed the "style=2" to "style=3" (which gets an error), then changed back to "style=1".
Then I re-entered the acp, "style=1" was still attached to my url. hovering "Explain" on Bottom of the ACP, I noticed that the url of the explain-page had two style-options:
After I went to the "styles"-section, the explain-link had another URL, but the two style-parameters where still in it, but between them, another parameter:
I don't think that is something that needs to be fixed, but it doesn't look nice at all, does it?