System e previously existing character ta 'black' diye represent kore, newly added character ta 'red' diye represent kore.
Previous update er kono character/word delete korle seta red line diye overwrite kore dekhae.
please wait...Translate to EnglishOkay, so like, the old character in the System was shown as black, but the new one is in red. If you delete any character or word from the previous update, it's gonna show up as a red line over it.