Document tab blank

[Hal Kierstead]

> 
> In the decades I've used LyX I don't recall documents not having tabs with
> the document's name.
> 
>> I am using LyX 2.3.6 on MacOS 11.1. I just reset my preferences to tabs
>> and made two very small files Test1 and Test 2. When I open one everything
>> is fine. When I open the other I see a white blank where its name should
>> be, but the other file still still has its name displayed properly. When I
>> toggle the open file this switches.
> 
> Yep. That's what's happening on Slackware-14.2/x86_64.
> 
For what it is worth, if I click on the white space where the  x  should be, the file closes.

Hal