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fix: replace selected characters with visual r

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Valdemar Høgsvig Lorenzen
2026-10-13 23:43:49 +02:00
parent 11b31d2621
commit cd427f74dc
5 changed files with 209 additions and 24 deletions
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docs/editing.md
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@@ -35,7 +35,8 @@ Indicators refresh asynchronously. Typing and undo/redo retain the last complete
| Normal | `x`/Delete delete; `u` undo; `U` (Shift+u) redo; `:` enter command mode |
| Normal | `yy` copies whole lines without moving; `dd` deletes them; `cc` changes them and enters Insert; counts work (`3yy`, `2dd`, `2cc`) |
| Normal | `D` deletes through line end; `C` changes that suffix and enters Insert; `Y` copies that suffix characterwise |
| Normal | `r<char>` replaces the current grapheme; `s` deletes it and enters Insert |
| Normal, Visual | `r<char>` replaces the current grapheme in Normal or every selected grapheme in Visual |
| Normal | `s` deletes the current grapheme and enters Insert |
| Normal | `d<count>w` / `d<count>b` delete forward/backward word spans, e.g. `d2w` / `d2b` |
| Normal | `c<count>w` / `c<count>b` cut the same line-local spans as `d` and enter Insert, e.g. `c2w` / `c2b` |
| Normal, Visual | `.` repeats the last successful native edit against the current targets; one undo group |
@@ -126,6 +127,8 @@ Copy and cut return to Normal at each selection start; Visual cancellation keeps
Visual `c` removes all selected text into the configured clipboard and enters Insert at each selection start. In the default System policy, clipboard publication must succeed before any deletion; failures leave text and selections intact. Deletion and replacement typing form one undo action when Insert mode is exited, including through explicit command execution. Esc without typing commits the deletion alone. An identical replacement creates no history entry and preserves redo. Changing only characterwise empty final-row selections enters Insert without overwriting either clipboard; linewise empty final rows are genuine rows and publish a newline.
Visual `r<char>` replaces every selected grapheme with the literal character, preserving newline separators and the clipboard. It returns to Normal at each selection start as one undo action and supports `.` repeat. Esc while waiting for the character cancels the replacement without clearing selections. Identical replacements and newline-only selections do not add history or discard redo.
Bracketed paste broadcasts the same literal text to all Insert carets in a separate undo group, distinct from typing before/after it. A rejected paste leaves the pending change intact. Normal supports counted `yy`, `dd`, `cc`, `dw`, `db`, `cw`, and `cb`, but not arbitrary operator–motion grammar; blockwise Visual is also unsupported. `c`, `d`, and `y` type literal text in Insert mode.
Clipboard policy is session-wide and defaults to the system clipboard. Copy/cut store fragments in document order: one fragment broadcasts to every caret; matching fragment/caret counts pair in document order; any other count refuses paste without changing editing state. Empty clipboard paste does not edit text; copying/cutting only characterwise empty final-row selections does not overwrite either register. Linewise copy/cut retain whole-row shape, including a newline fragment for an empty final row. Open a new search or enter Ex commands after leaving Visual mode. Plugin commands execute once, not once per target: successful text effects collapse to the primary and apply once; rejected or message-only effects preserve the selection set. There is no selection-aware plugin API yet.