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A support case with the identification [CASE:3747200] was created

Thank you for taking the time to send in this report. I understand that when you put a quotation mark in front of an inline image, it makes the front end hang for a while. I have been able to confirm this behavior, and I will forward an incident report to our developers regarding this issue. Thank you for bringing this to our attention.


Run ExampleData[{"TestImage", "Lena"}] or get an image into your notebook in some other way.

Now type " in front of it. Then delete it. Then write it again...

You will notice that the front-end hangs for quite some time when you type or delete the " (except for the first time?). (The image also gets a bit smaller when " is in front of it, but I think this is just the usual formatting.)

It hangs for a longer time when the image is bigger.

I lost some progress in notebook for this because I didn't expect it to ever recover (I was working with full size digital camera images).

Can someone confirm this?

$Version === "11.0.0 for Microsoft Windows (64-bit) (July 28, 2016)"

I think this is a large enough inconvenience to be worth reporting.

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I confirm the hang-up (except for the first typing of ") with versions 11.1.0, 11.0.1, 11.0.0, 10.4.1 on Win7 x64. With the process monitor I see that the FrontEnd's closed memory goes from 57 Mb to 71 Mb and backward during the hang. With version 8.0.4 the hang-up doesn't happen.

The workaround is to switch off the front end's interactive undo/redo system:

CurrentValue[EvaluationNotebook[], {UndoOptions, "Enabled"}] = False;

After evaluating the above line the hang-up disappears. But I strongly suspect a bug or at least significant imperfection here because there is no hang-up when you type " for the first time with enabled Undo. Please report it to the tech support.

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  • $\begingroup$ I reported it... $\endgroup$ – masterxilo Oct 20 '16 at 21:07

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