akkartik/lines-and-links - Change PVEZKGACQMZORY2BEMI3K47R4XGBAYAKYXSTUSNLFSADKTBRAYSAC

Scenario: backspacing until a line takes up fewer screen lines, then pressing down.

I've gone through and checked that fragments and screen_line_starting_pos are now cleared together everywhere.

Created by Kartik K. Agaram on June 23, 2022

PVEZKGACQMZORY2BEMI3K47R4XGBAYAKYXSTUSNLFSADKTBRAYSAC

main

[2.2359]

        Lines[Cursor1.line].screen_line_starting_pos = nil

[2.2725]

        Lines[Cursor1.line-1].screen_line_starting_pos = nil

[2.3296]

        Lines[Cursor1.line].screen_line_starting_pos = nil

[2.3602]

        Lines[Cursor1.line].screen_line_starting_pos = nil