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".

>1+0&#ffffff0| @73
|2| @73
|3| @73
|4| @31|t+0#0000001#ffd7ff255|h|r|e@1| @2| +0#0000000#ff404010| +0&#ffffff0@32
|5| @31|f+0#0000001#ffd7ff255|o|u|r| @3| +0#0000000#4040ff13| +0&#ffffff0@32
|6| @31|f+0#0000001#ffd7ff255|i|v|e| @3| +0#0000000#4040ff13| +0&#ffffff0@32
|7| @31|s+0#0000001#ffd7ff255|i|x| @4| +0#0000000#ff404010| +0&#ffffff0@32
|8| @73
|9| @73
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