commit https://github.com/vim/vim/commit/f1f60f859cdbb2638b3662ccf7b1d179865fe7dc Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 16 15:40:53 2016 +0100 patch 7.4.1102 Problem: Debugger has no stack backtrace support. Solution: Add "backtrace", "frame", "up" and "down" commands. (Alberto Fanjul, closes https://github.com/vim/vim/issues/433)

end:
2:1
2:17
2:20
3:1
3:17
3:20
5:8
5:25
5:28
6:8
6:25
6:28
8:1
8:9
8:17
8:25
8:27
9:1
9:9
9:17
9:25
9:26
9:26
9:1
9:9
9:17
9:25
9:26