Recognize sibling ordered list items when rewriting asset links

internal/vault/links.go

@@ -44,6 +44,14 @@ func RewriteAssetLinks(content []byte, oldBase, newBase string) []byte {
 			matched++
 		}
 		if matched < len(containers) {
+			rest := bytes.TrimLeft(body, " ")
+			if marker := listMarker.Find(rest); len(body)-len(rest) <= 3 && marker != nil {
+				mark := bytes.TrimRight(marker, " ")
+				// 同级列表的新条目结束上一项段落，不受“只能以 1 打断段落”的限制。
+				if mark[len(mark)-1] == containers[matched].marker {
+					paragraph = false
+				}
+			}
 			containers = containers[:matched]
 			fence = nil // 容器结束时，其内部未闭合的代码块也结束。
 			// 段落允许省略引用或列表前缀的续行，不能把其缩进误认成代码。
@@ -81,7 +89,7 @@ func RewriteAssetLinks(content []byte, oldBase, newBase string) []byte {
 					padding = 1
 				}
 				width := indent + len(mark) + padding
-				containers = append(containers, linkContainer{indent: width})
+				containers = append(containers, linkContainer{indent: width, marker: mark[len(mark)-1]})
 				body = body[min(width, len(body)):]
 			} else {
 				break
@@ -112,6 +120,7 @@ func RewriteAssetLinks(content []byte, oldBase, newBase string) []byte {
 type linkContainer struct {
 	quote  bool
 	indent int
+	marker byte
 }
 
 var listMarker = regexp.MustCompile(`^(?:[-+*]|[0-9]{1,9}[.)])(?: +|$)`)

internal/vault/links_test.go

@@ -15,6 +15,10 @@ func TestRewriteAssetLinksPreservesCodeBlocks(t *testing.T) {
 		{"引用围栏", "> ```markdown\n> ![](a.assets/code.png)\n> ```\n"},
 		{"引用缩进", ">     ![](a.assets/code.png)\n"},
 		{"列表围栏", "- ```markdown\n  ![](a.assets/code.png)\n  ```\n"},
+		{"有序列表第二项围栏", "1. 项目\n2. ```markdown\n   ![](a.assets/code.png)\n   ```\n"},
+		{"右括号列表第二项围栏", "1) 项目\n2) ```markdown\n   ![](a.assets/code.png)\n   ```\n"},
+		{"引用内有序列表第二项围栏", "> 1. 项目\n> 2. ```markdown\n>    ![](a.assets/code.png)\n>    ```\n"},
+		{"嵌套有序列表第二项围栏", "- 1. 项目\n  2. ```markdown\n     ![](a.assets/code.png)\n     ```\n"},
 		{"列表缩进", "- 项目\n\n      ![](a.assets/code.png)\n"},
 		{"有序列表缩进", "10. 项目\n\n        ![](a.assets/code.png)\n"},
 		{"引用内嵌列表", "> - ```markdown\n>   ![](a.assets/code.png)\n>   ```\n"},
@@ -39,6 +43,7 @@ func TestRewriteAssetLinksInContainersAndParagraphs(t *testing.T) {
 		"- 项目\n\n    ![](a.assets/real.png)\n",
 		"- 项目\n  - 子项\n    ![](a.assets/real.png)\n",
 		"段落\n    ![](a.assets/real.png)\n",
+		"段落\n2. 项目\n    ![](a.assets/real.png)\n",
 		"> 段落\n    ![](a.assets/real.png)\n",
 		"- 段落\n![](a.assets/real.png)\n    ![](a.assets/real.png)\n",
 		"10. 项目\n\n    ![](a.assets/real.png)\n",