replaceBufferContent :: YiString -> BufferM ()
replaceBufferContent newvalue = do
  r <- regionOfB Document
  replaceRegionB r newvalue

-- | Fill the text in the region so it fits nicely 80 columns.
replaceBufferContent :: YiString -> BufferM ()
replaceBufferContent newvalue = do
  r <- regionOfB Document
  replaceRegionB r newvalue

-- | Fill the text in the region so it fits nicely 80 columns.
replaceBufferContent newvalue = do
  r <- regionOfB Document
  replaceRegionB r newvalue

-- | Fill the text in the region so it fits nicely 80 columns.