Convert to Markdown syntax error

[dXrayb]

Problem to Solve

Some Markdown syntax convert error

To Reproduce

input <u>underline text</u>

**Bold text**

Expected Behavior

underline text
Bold text

Screenshots

If applicable, add screenshots to help explain your problem.

Environment (if applicable)

01|01:46:39.172| Starting dllhost 1944, 3148 Mhz, 15 MB, zh-CN/zh-CN, v6.5.0, OneNote 15.0, Office 16.0, 2024-08-14 13:46
01|01:46:39.179| ..Windows 11 Professional, Version 23H2, Build 22621, 64 bit
01|01:46:39.189| ..C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE (16.0.17830.20138)
01|01:46:39.236| ..OnConnection(ConnectionMode:ext_cm_Startup,custom[1:Int32])
01|01:46:39.237| ..OneAddInsUpdate(custom[])
01|01:46:39.983| ..building ribbon
01|01:46:40.035| ..building ribbon colorizer commands
01|01:46:40.794| ..building ribbon language proofing commands
01|01:46:40.828| ..building context menu
01|01:46:41.089| ..OnStartupComplete(custom[])
01|01:46:41.104| ..starting command service
01|01:46:41.109| ..starting reminder service
01|01:46:41.120| ..starting navigation service
01|01:46:41.143| ..starting hashtag service, Ready
01|01:46:41.148| ..ready
09|01:46:41.188| hashtag service waiting, Ready
03|01:46:41.809| defined 51 hotkeys for input locale 2052
16|01:46:44.925| Running command ConvertMarkdownCommand
16|01:46:45.373| 运行命令ConvertMarkdownCommand时出错
16|01:46:45.374| System.NullReferenceException
Message: 未将对象引用设置到对象的实例。
Source: River.OneMoreAddIn
StackTrace: 在 River.OneMoreAddIn.Models.PageEditor.InsertAtAnchor(XElement content)
在 River.OneMoreAddIn.Commands.ConvertMarkdownCommand.d__1.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
在 System.Runtime.CompilerServices.TaskAwaiter.GetResult()
在 River.OneMoreAddIn.CommandFactory.d__6.MoveNext()
TargetSite: [River.OneMoreAddIn] River.OneMoreAddIn.Models.PageEditor::InsertAtAnchor()

[stevencohn]

Unable to reproduce in OneMore v6.5.0. Is there any more information you can provide?

Example:

[dXrayb]

If you select the following content, it will cause an error.

[stevencohn]

I don't think your comment captured the content you wanted me to try.... can you post it again?

[dXrayb]

I don't think your comment captured the content you wanted me to try.... can you post it again?

error.mp4