Reverts Ansi.erase to erase to the right, not the left
With the release of 0.49.0, we changed Ansi.erase to be erasing left rather than right. This made sense based on the comment on the Ansi.erase method. However, the actual usage in the standard library of Ansi.erase was expecting it to erase to the right. Because of this change, since 0.49.0, the readline support in the term package has been broken.
We've reverted the changes from the original PR and updated the comment on Ansi.erase to note that it erases to right, not the left.
We would welcome an RFC to discuss supporting both left and right erasure as part of the Ansi primitive.
[0.51.4] - 2022-10-29
Fixed
- Fix broken readline package (PR #4199)