Bug introduced in 10.1 or earlier and persisting through 11.1

Consider the string generated by this line:

EllipticTheta::usage // FullForm

Highlight everything except the leading and trailing quotations as shown:


Attempt to copy highlighted text using ⌘+C on a Mac.

On my computer (Mac OS X 10.11, Mathematica 10.3, 10.4, 11.0), Mathematica vanishes-- the front end and the kernel is killed by the OS.

Would someone confirm this behavior? If this is a crash due to Mathematica and not my machine, I will report.


I've narrowed the pathological behavior to the part that contains \"u or \"q in the usage. I observe that any selection that contains this string as a subset will cause Mathematica to crash:

enter image description here

Can anyone verify this?

  • $\begingroup$ Works perfectly fine on my machine (both Mathematica 10.4 and 11 on OS X 10.11.6) $\endgroup$ – Sascha Aug 26 '16 at 17:16
  • $\begingroup$ @Sascha Oh, I'm on OS X 10.11.5. Let me update to 10.11.6 and see if that fixes it. $\endgroup$ – QuantumDot Aug 26 '16 at 17:18
  • $\begingroup$ @Sascha Nope; still crashes for me. $\endgroup$ – QuantumDot Aug 26 '16 at 17:33
  • $\begingroup$ Works fine for me on Debian Stable, both select-middle:mouse and ctrl+c:ctrl+v $\endgroup$ – Feyre Aug 26 '16 at 19:39
  • 1
    $\begingroup$ I confirm the crash with versions 11.0.0 and 10.4.1 on Win7 x64: an attempt to copy the \"q causes immediate crash! With version 8.0.4 there is no crash. $\endgroup$ – Alexey Popkov Aug 28 '16 at 19:43

I've just tried this in V11.0.0 and V10.4 on Linux (control-c to copy). In the terminal from which I launched Mathematica I see:

Mathematica has received the signal: SIGSEGV and has exited. If possible, please report this problem to support@wolfram.com describing in as much detail as possible what you were doing when the problem occurred.

  • $\begingroup$ What linux distribution are you using? $\endgroup$ – rcollyer Aug 26 '16 at 20:13
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    $\begingroup$ Linux mint 17.3 (from memory) $\endgroup$ – mikado Aug 26 '16 at 20:37

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