When I write a sentence or a couple of words in the mind map after using the undo function the whole sentence or word is getting removed and not the single letter.
is this a bug or the function designed like this?
Their undo function depends on time delay you are taking to write between each word or letter.
If you take 1 or more seconds delay between letters or words, undoing will only delete last letter or word.
If you take less than 1 second delay between letters or words, undoing will delete both letters or words.