Inconsistent exposed form element labels (some with ':', others without)

I've been building a site using Views 3 and mostly loving it! One minor UI annoyance is that exposed filters use a raw label without any ':' since they're bypassing the default FAPI label markup stuff to allow the filter and the operation to render nicely together. However, all the other exposed form elements (sorts, items per page, etc) use the standard FAPI label, and get a ':' appended thanks to the core version of theme_form_element().

For now, my work-around is to manually add the ':' to the labels for the exposed filters. But, merlinofchaos said this was a bug and it should be made consistent, so I'm opening this issue about it. ;) I have no idea what the right way to fix this is, but I'm sure he'll have a plan once he finally gets around to this. ;)

Thanks,
-Derek