no-mistakes(document): document rebindable InsertNewline chords; fix rustfmt and changelog link

docs/features.md

@@ -10,7 +10,7 @@
 - **Fuzzy history search** — <kbd>⌃ R</kbd> shows what you ran, where, and whether it failed; turn it off (Settings → Terminal → Keyboard, or `history_search` in `config.json`) and <kbd>⌃ R</kbd> goes to your shell instead, so an fzf / percol binding keeps working
 - **History from day one** — your existing shell history works as-is and carries across sessions
 - **Line editing** — click to place the caret, mouse selection, word motion, undo
-- **Multi-line editing** — wrapped and multi-line commands edit in place; the grid shifts to keep the caret visible
+- **Multi-line editing** — wrapped and multi-line commands edit in place; the grid shifts to keep the caret visible. <kbd>⇧ ⏎</kbd> · <kbd>⌥ ⏎</kbd> insert a newline instead of submitting (rebindable as `InsertNewline`); a plain <kbd>⏎</kbd> submits the whole buffer
 
 ## In the window
 

docs/features.zh-CN.md

@@ -10,7 +10,7 @@
 - **模糊历史搜索** —— <kbd>⌃ R</kbd> 看到每条命令在哪跑的、什么时候、有没有失败；关掉它（设置 → 终端 → 键盘，或 `config.json` 里的 `history_search`）后 <kbd>⌃ R</kbd> 直接交给 shell，你绑的 fzf / percol 照常可用
 - **历史开箱即用** —— 你已有的 shell 历史直接生效，并跨会话延续
 - **行编辑** —— 点击定位光标、鼠标选区、词级移动、撤销
-- **多行编辑** —— 折行和多行命令原地编辑；网格自动上移，光标始终可见
+- **多行编辑** —— 折行和多行命令原地编辑；网格自动上移，光标始终可见。<kbd>⇧ ⏎</kbd> · <kbd>⌥ ⏎</kbd> 插入换行而不提交（可改绑，动作名 `InsertNewline`），单独按 <kbd>⏎</kbd> 提交整个缓冲区
 
 ## 窗口
 

src/terminal/view.rs

@@ -8781,7 +8781,11 @@ mod gpui_tests {
         vcx.simulate_keystrokes("shift-enter");
         window
             .update(cx, |view, _, _| {
-                assert_eq!(view.cmd.text(), "echo a\n\n\n", "the chord survives a rebind");
+                assert_eq!(
+                    view.cmd.text(),
+                    "echo a\n\n\n",
+                    "the chord survives a rebind"
+                );
             })
             .unwrap();
     }

src/ui/keymap.rs

@@ -850,9 +850,7 @@ mod tests {
             assert!(keystroke_is_valid(key), "{key} does not parse");
             assert!(make_binding("InsertNewline", key).is_some());
             assert!(
-                bound_keystrokes(&effective)
-                    .iter()
-                    .any(|(k, _)| k == key),
+                bound_keystrokes(&effective).iter().any(|(k, _)| k == key),
                 "{key} is not remembered as installed"
             );
         }