patch 9.0.1189: invalid memory access with folding and using "L" Commit: https://github.com/vim/vim/commit/232bdaaca98c34a99ffadf27bf6ee08be6cc8f6a Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 13 14:17:58 2023 +0000 patch 9.0.1189: invalid memory access with folding and using "L" Problem: Invalid memory access with folding and using "L". Solution: Prevent the cursor from moving to line zero.

>1+0&#ffffff0| @73
|2| @73
|3| @73
|4| @31|o+0#0000001#ffd7ff255|n|e| @4| +0#0000000#0000001| +0&#ffffff0@32
|5| @31|t+0#0000001#ffd7ff255|w|o| @4| +0#0000000#0000001| +0&#ffffff0@32
|6| @31|t+0#0000001#ffd7ff255|h|r|e@1| @2| +0#0000000#a8a8a8255| +0&#ffffff0@32
|7| @31|f+0#0000001#ffd7ff255|o|u|r| @3| +0#0000000#a8a8a8255| +0&#ffffff0@32
|8| @73
|9| @73
@57|1|,|1| @10|T|o|p|