Does anyone use math inset locking?

[Richard Kimberly Heck]

On 12/5/23 17:01, Jean-Marc Lasgouttes wrote:
> Le 05/12/2023 à 20:40, Scott Kostyshak a écrit :
>> I came across what I thought was a bug. In the attached, if I put the
>> cursor just inside the note and press ctrl + i for inset-toggle, I
>> expected the note to close.
>>
>> I looked around in the code, and I found an interesting chunk in 
>> InsetMathNest.cpp:
>>
>>     // 'Locks' the math inset. A 'locked' math inset behaves as a unit
>>     // that is traversed by a single <CursorLeft>/<CursorRight>.
>>     case LFUN_INSET_TOGGLE:
>>         cur.recordUndo();
>>         lock(!lock());
>>         cur.popForward();
>>         break;
>>
>> I don't know if that is actually related to the issue I was looking at,
>> but I had never heard of this feature. Does anyone use it? Can someone
>> give me an example of a case where it is used? Is it indeed saved in the
>> file format? I think I might find this feature useful.
>>
>> It is fun to discover new features no matter how long I've been 
>> around LyX.
>
> I think it is a very old feature from André's era, I thought it was 
> not working anymore, and it seems inded that it is broken.
>
> Shall we salvage it, or kill it? It can also be used inside formulas 
> in theory.

I doubt it's worth the effort to get it working again. But maybe just 
comment it out, in case anyone decides they want to work on it.

Riki