From 21dd205fde2667efdbd9574d7583da3360e07620 Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Sun, 19 Nov 2023 15:13:58 +0800
Subject: [PATCH] :art: fix https://github.com/siyuan-note/siyuan/issues/9690

---
 app/src/protyle/wysiwyg/keydown.ts | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/app/src/protyle/wysiwyg/keydown.ts b/app/src/protyle/wysiwyg/keydown.ts
index a23e5f53e..22d27358d 100644
--- a/app/src/protyle/wysiwyg/keydown.ts
+++ b/app/src/protyle/wysiwyg/keydown.ts
@@ -6,7 +6,7 @@ import {
     focusByWbr,
     getEditorRange,
     getSelectionOffset, getSelectionPosition,
-    selectAll,
+    selectAll, setFirstNodeRange,
 } from "../util/selection";
 import {
     hasClosestBlock,
@@ -860,6 +860,23 @@ export const keydown = (protyle: IProtyle, editorElement: HTMLElement) => {
                         event.preventDefault();
                         return;
                     }
+                    // https://github.com/siyuan-note/siyuan/issues/9690
+                    const inlineElement = hasClosestByMatchTag(range.startContainer, "SPAN")
+                    if (position.start === 2 && inlineElement &&
+                        getSelectionOffset(inlineElement, protyle.wysiwyg.element, range).start === 1 &&
+                        inlineElement.textContent.startsWith(Constants.ZWSP)) {
+                        focusBlock(nodeElement);
+                        event.stopPropagation();
+                        event.preventDefault();
+                        return;
+                    }
+                    if (position.start === 1 && !inlineElement && editElement.textContent.startsWith(Constants.ZWSP)) {
+                        setFirstNodeRange(editElement, range);
+                        removeBlock(protyle, nodeElement, range);
+                        event.stopPropagation();
+                        event.preventDefault();
+                        return;
+                    }
                 }
             } else if (nodeElement.classList.contains("code-block") && getContenteditableElement(nodeElement).textContent === "\n") {
                 // 空代码块全选删除异常 https://github.com/siyuan-note/siyuan/issues/6706