patch 8.0.0269: may get ml_get error when :perldo deletes lines commit https://github.com/vim/vim/commit/85b5743d3e69f96882b6124d4b4ebf873ca24707 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 29 22:59:12 2017 +0100 patch 8.0.0269: may get ml_get error when :perldo deletes lines Problem: May get ml_get error when :perldo deletes lines or switches to another buffer. (Nikolai Pavlov, issue https://github.com/vim/vim/issues/1421) Solution: Check the buffer and line every time.

is<F4>foo
{'silent': 0, 'noremap': 0, 'lhs': 'foo<C-V>', 'mode': ' ', 'nowait': 0, 'expr': 0, 'sid': 0, 'rhs': 'is<F4>foo', 'buffer': 0}
{'silent': 1, 'noremap': 1, 'lhs': 'bar', 'mode': 'v', 'nowait': 0, 'expr': 1, 'sid': 0, 'rhs': 'isbar', 'buffer': 1}
{'silent': 0, 'noremap': 0, 'lhs': 'foo', 'mode': ' ', 'nowait': 1, 'expr': 0, 'sid': 0, 'rhs': 'bar', 'buffer': 1}
xrx
yRy
abcd