patch 8.0.0388: filtering lines changes folds commit https://github.com/vim/vim/commit/1159b168dd94c1a25b4284c6544de385855df6f6 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 28 21:53:56 2017 +0100 patch 8.0.0388: filtering lines changes folds Problem: filtering lines through "cat", without changing the line count, changes manual folds. Solution: Change how marks and folds are adjusted. (Matthew Malcomson, from neovim #6194.

start:
'abcd'
'abcd'
'Dance'
'Dance'
{'var_str': 'Dance'}
{'var_str': 'Dance'}
'Chance'
{}
{}
''
'Chance'
0
0
[1, 2, 3]
[1, 2, 3]
{'var_list': [1, 2, 3], 'other': 777}
{'var_list': [1, 2, 3], 'other': 777}
[4, 5, 6, 7]
''
[4, 5, 6, 7]
''
[4, 5, 6, 7]
{'dict': 'tabwin'}
{'dict': 'tabwin'}
{'var_dict': {'dict': 'tabwin'}}
{'var_dict': {'dict': 'tabwin'}}
{'dict2': 'newval'}
{}
{}
''
{'dict2': 'newval'}
''
{'dict2': 'newval'}
''
1