patch 9.0.0178: cursor position wrong with virtual text before Tab Commit: https://github.com/vim/vim/commit/e428fa04a758cc87ea580c856a796e58e407504b Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 9 16:55:41 2022 +0100 patch 9.0.0178: cursor position wrong with virtual text before Tab Problem: Cursor position wrong with virtual text before Tab. Solution: Use the byte length, not the cell with, to compare the column. Correct tab size after text prop. (closes #10866)

|O+0&#ffffff0|n|e| |o+0#4040ff13#ffff4012|n|e| |o+0#0000000#ffffff0|n|e| |o+0#4040ff13#ffff4012|n|e| |o+0#0000000#ffffff0|n|e| @55
|T|w|o| |t+0#4040ff13#ffff4012|w|o| |t+0#0000000#ffffff0|w|o| |t+0#4040ff13#ffff4012|w|o| |t+0#0000000#ffffff0|w|o| @55
|T|h|r+0&#e0e0e08|e|e+0#4040ff13&| |t|h|r+0#0000000&|e@1| |t+0#4040ff13#ffff4012|h|r|e|e+0#0000000#e0e0e08| |t|h|r>e+0&#ffffff0@1| @51
|~+0#4040ff13&| @73
|~| @73
|~| @73
|~| @73
|-+2#0000000&@1| |V|I|S|U|A|L| |-@1| +0&&@34|2|0| @7|3|,|2@1| @9|A|l@1|