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After PR #8226 an unmapped META key in insert mode behaves like ESC-<key> (:help i_META). The behaviour does not fully match, since if <Esc>-<key> is pressed manually then since it were pressed manually `gotchars` would be called on the second <key> after insert-mode had already been left. This would mean that `may_sync_undo` (called from `gotchars`) would call `u_sync(FALSE)` on the second key (since we would be in normal mode). This overall means that <Meta-[something]> behaves differently with respect to undo than <Esc>[something] when the [something] makes a change. As an example, under `nvim -u NONE`: ihello<M-.>u leaves the buffer empty, while ihello<Esc>.u leaves the buffer with one instance of `hello`. - Fix by calling u_sync() manually in the new clause under `normalchar:` in `insert_handle_key`. - Update test in tui_spec.lua that accidentally relied on the old behaviour. |
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| .. | ||
| altscreen_spec.lua | ||
| api_spec.lua | ||
| buffer_spec.lua | ||
| cursor_spec.lua | ||
| edit_spec.lua | ||
| ex_terminal_spec.lua | ||
| helpers.lua | ||
| highlight_spec.lua | ||
| mouse_spec.lua | ||
| scrollback_spec.lua | ||
| tui_spec.lua | ||
| window_spec.lua | ||
| window_split_tab_spec.lua | ||