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)

| +0#af5f00255#ffffff0@1|1| |1+0#0000000&@4| @65
| +0#af5f00255&@1|2| |1+0#0000000&@3|2| @65
| +8#af5f00255&@1|3| >1+0#0000000&@3|3| @65
| +0#af5f00255&@1|4| |1+0#0000000&@3|4| @65
| +0#af5f00255&@1|5| |1+0#0000000&@3|5| @65
| +0#af5f00255&@1|6| |1+0#0000000&@3|6| @65
| +0#af5f00255&@1|7| |1+0#0000000&@3|7| @65
|:|s|e|t| |c|u|l|o|p|t|=|n|u|m|b|e|r| @38|3|,|1| @10|T|o|p|