With 6.4 Beta 8, if I copy a sentence of text that has a space at the front, like ' one two three' then the History gets two entries added to it (one for the original copy, and one for the text-scrubbed version):
I was able to reproduce this here as well, it also happens in 6.4 Beta 7 but not in 6.3.0, so I will re-test all beta versions to figure out which one it broke in and put it on the list to fix for the next beta.
