Process-brackets returns the processed line but that line may have already...

Process-brackets returns the processed line but that line may have already been changed by any strippers in effect; this patch changes the logic so that the current line is _not_ re-read from the iterator.

darcs-hash:20080610034140-3cc5d-7393ad4f89baac39e9b38f06cfa506767ecbe733.gz