patch 9.0.1078: with the +vartabs feature indent folding may use wrong 'ts' Commit: https://github.com/vim/vim/commit/07146ad1d33ba0d36b324873e5c461931e6b025e Author: zeertzjq <zeertzjq@outlook.com> Date: Mon Dec 19 15:51:44 2022 +0000 patch 9.0.1078: with the +vartabs feature indent folding may use wrong 'ts' Problem: With the +vartabs feature indent folding may use wrong 'tabstop'. Solution: Use the "buf" argument instead of "curbuf".

|f+0#0000e05#a8a8a8255|o@1|-@71
|s+0#0000000#ffffff0|o|m|e| |m|o|r|e| |t|e|x|t| @60
|~+0#4040ff13&| @73
|~| @73
|~| @73
| +0#0000001#e0e0e08|s|e|t| @11| +0#4040ff13#ffffff0@58
| +0#0000001#ffd7ff255|s|e|t|f|i|l|e|t|y|p|e| @3| +0#4040ff13#ffffff0@58
| +0#0000001#ffd7ff255|s|e|t|g|l|o|b|a|l| @5| +0#4040ff13#ffffff0@58
| +0#0000001#ffd7ff255|s|e|t|l|o|c|a|l| @6| +0#4040ff13#ffffff0@58
|:+0#0000000&|s|e|t> @70