aceCharWithVerticalOffset :: Int -> BufferM ()
replaceCharWithVerticalOffset offset =
    maybe (return ()) replaceCharB =<< maybeCharWithVerticalOffset offset

ma
replaceCharWithVerticalOffset :: Int -> BufferM ()
replaceCharWithVerticalOffset offset =
    maybe (return ()) replaceCharB =<< maybeCharWithVerticalOffset offset
replaceCharWithVerticalOffset offset =
    maybe (return ()) replaceCharB =<< maybeCharWithVerticalOffset offset