[issue13951] Document that Seg Fault in .so called by ctypes causes the interpreter to Seg Fault

[Meador Inge]

Meador Inge added the comment:

Georg's proposal seems reasonable to me sans one very minor nit.  I think the e.g. bit is better off parenthesized:

 There are, however, enough ways to crash Python with :mod:`ctypes`, so you
-should be careful anyway.
+should be careful anyway.  The :mod:`faulthandler` module can be helpful in
+debugging crashes (e.g. from segmentation faults produced by erroneous C
+library calls).

If there are no objections, then I will go ahead and commit this version.

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<http://bugs.python.org/issue13951>
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