Crash with embedded pdfs

Nobody has claimed this yet.

When using pdf images inline like this
``
MacDown crashes frequently, usually after making some text bold, with the following crash report

> Process: MacDown [93646]
> Path: /Applications/MacDown.app/Contents/MacOS/MacDown
> Identifier: com.uranusjr.macdown
> Version: 0.6.4 (786)
> Code Type: X86-64 (Native)
> Parent Process: ??? [1]
> Responsible: MacDown [93646]
> User ID: 501
>
> Date/Time: 2016-11-11 10:02:30.957 +0100
> OS Version: Mac OS X 10.12.1 (16B2555)
> Report Version: 12
> Anonymous UUID: 23475583-8521-4BCC-64E3-F9932DB6EAF8
>
> Sleep/Wake UUID: 076ACBB7-0230-4C45-8445-F66820B8A79B
>
> Time Awake Since Boot: 360000 seconds
> Time Since Wake: 58 seconds
>
> System Integrity Protection: enabled
>
> Crashed Thread: 0 Dispatch queue: com.apple.main-thread
>
> Exception Type: EXC_BAD_ACCESS (SIGSEGV)
> Exception Codes: KERN_INVALID_ADDRESS at 0x000067f4fa2dbec8
> Exception Note: EXC_CORPSE_NOTIFY
>
> Termination Signal: Segmentation fault: 11
> Termination Reason: Namespace SIGNAL, Code 0xb
> Terminating Process: exc handler [0]
>
> VM Regions Near 0x67f4fa2dbec8:
> MALLOC_NANO 0000618000000000-0000618000600000 [ 6144K] rw-/rwx SM=PRV
> -->
> STACK GUARD 000070000bd69000-000070000bd6a000 [ 4K] ---/rwx SM=NUL stack guard for thread 1
>
> Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
> 0 libobjc.A.dylib 0x00007fff97117a31 objc_retain + 33
> 1 com.apple.CoreGraphics 0x00007fff831ac160 CGColorSpaceRetain + 22
> 2 com.apple.SkyLight 0x00007fff93eed01f CGSWindowCopyColorSpace + 252
> 3 com.apple.SkyLight 0x00007fff93d643ad SLSCopyWindowColorSpace + 37
> 4 com.apple.AppKit 0x00007fff8076a916 -[_NSCGSWindowBackingStore colorSpace] + 63
> 5 com.apple.AppKit 0x00007fff8076a2ce -[_NSCGSWindowBackingStore lockBackBuffer] + 145
> 6 com.apple.AppKit 0x00007fff80769dd9 backing_store_delegate + 78
> 7 com.apple.AppKit 0x00007fff80769b16 backing_store_DrawRects + 1029
> 8 com.apple.CoreGraphics 0x00007fff82ff4d11 CGContextFillRects + 96
> 9 com.apple.CoreGraphics 0x00007fff82ff4de6 CGContextFillRect + 105
> 10 com.apple.AppKit 0x00007fff8070a23f NSRectFill + 272
> 11 com.apple.AppKit 0x00007fff80d80f62 -[NSThemeFrame _drawTransparentTitlebarInRect:] + 97
> 12 com.apple.AppKit 0x00007fff807ce870 -[NSThemeFrame _drawUnifiedToolbar:] + 181
> 13 com.apple.AppKit 0x00007fff807ce63b -[NSThemeFrame _drawTitleBar:] + 104
> 14 com.apple.AppKit 0x00007fff807ce5ca -[NSThemeFrame _drawFrameInterior:clip:] + 83
> 15 com.apple.AppKit 0x00007fff807ce56c -[NSThemeFrame drawFrame:] + 153
> 16 com.apple.AppKit 0x00007fff807ce439 -[NSFrameView drawRect:] + 946
> 17 com.apple.AppKit 0x00007fff807ce07c -[NSThemeFrame drawRect:] + 280
> 18 com.apple.AppKit 0x00007fff80718634 -[NSView _drawRect:clip:] + 2276
> 19 com.apple.AppKit 0x00007fff8076830a -[NSView _recursiveDisplayAllDirtyWithLockFocus:visRect:] + 1753
> 20 com.apple.AppKit 0x00007fff8071616d -[NSView _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 837
> 21 com.apple.AppKit 0x00007fff8071594b -[NSThemeFrame _recursiveDisplayRectIfNeededIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:topView:] + 334
> 22 com.apple.AppKit 0x00007fff80713d73 -[NSView _displayRectIgnoringOpacity:isVisibleRect:rectIsVisibleRectForView:] + 2452
> 23 com.apple.AppKit 0x00007fff8070f662 -[NSView displayIfNeeded] + 1748
> 24 com.apple.AppKit 0x00007fff8070ef73 -[NSWindow displayIfNeeded] + 230
> 25 com.apple.AppKit 0x00007fff80df9c2f ___NSWindowGetDisplayCycleObserver_block_invoke.6219 + 277
> 26 com.apple.AppKit 0x00007fff8070ea51 __37+[NSDisplayCycle currentDisplayCycle]_block_invoke + 454
> 27 com.apple.QuartzCore 0x00007fff884531ba CA::Transaction::run_commit_handlers(CATransactionPhase) + 46
> 28 com.apple.QuartzCore 0x00007fff8855ae10 CA::Context::commit_transaction(CA::Transaction*) + 160
> 29 com.apple.QuartzCore 0x00007fff88451d55 CA::Transaction::commit() + 475
> 30 com.apple.AppKit 0x00007fff809e4c69 __37+[NSDisplayCycle currentDisplayCycle]_block_invoke.31 + 323
> 31 com.apple.CoreFoundation 0x00007fff82958ec7 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
> 32 com.apple.CoreFoundation 0x00007fff82958e37 __CFRunLoopDoObservers + 391
> 33 com.apple.CoreFoundation 0x00007fff82939ad9 __CFRunLoopRun + 873
> 34 com.apple.CoreFoundation 0x00007fff82939514 CFRunLoopRunSpecific + 420
> 35 com.apple.HIToolbox 0x00007fff81ed6fbc RunCurrentEventLoopInMode + 240
> 36 com.apple.HIToolbox 0x00007fff81ed6df1 ReceiveNextEventCommon + 432
> 37 com.apple.HIToolbox 0x00007fff81ed6c26 _BlockUntilNextEventMatchingListInModeWithFilter + 71
> 38 com.apple.AppKit 0x00007fff805c0b79 _DPSNextEvent + 1093
> 39 com.apple.AppKit 0x00007fff80cd61c3 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1637
> 40 com.apple.AppKit 0x00007fff805b553d -[NSApplication run] + 926
> 41 com.apple.AppKit 0x00007fff805801ad NSApplicationMain + 1237
> 42 libdyld.dylib 0x00007fff97a04255 start + 1
>
> Thread 1:
> 0 libsystem_kernel.dylib 0x00007fff97b334e6 __workq_kernreturn + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1b622 _pthread_wqthread + 1023
> 2 libsystem_pthread.dylib 0x00007fff97c1b211 start_wqthread + 13
>
> Thread 2:
> 0 libsystem_kernel.dylib 0x00007fff97b334e6 __workq_kernreturn + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1b7b5 _pthread_wqthread + 1426
> 2 libsystem_pthread.dylib 0x00007fff97c1b211 start_wqthread + 13
>
> Thread 3:
> 0 libsystem_kernel.dylib 0x00007fff97b334e6 __workq_kernreturn + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1b7b5 _pthread_wqthread + 1426
> 2 libsystem_pthread.dylib 0x00007fff97c1b211 start_wqthread + 13
>
> Thread 4:
> 0 libsystem_kernel.dylib 0x00007fff97b334e6 __workq_kernreturn + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1b7b5 _pthread_wqthread + 1426
> 2 libsystem_pthread.dylib 0x00007fff97c1b211 start_wqthread + 13
>
> Thread 5:
> 0 libsystem_kernel.dylib 0x00007fff97b334e6 __workq_kernreturn + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1b7b5 _pthread_wqthread + 1426
> 2 libsystem_pthread.dylib 0x00007fff97c1b211 start_wqthread + 13
>
> Thread 6:
> 0 libsystem_kernel.dylib 0x00007fff97b334e6 __workq_kernreturn + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1b7b5 _pthread_wqthread + 1426
> 2 libsystem_pthread.dylib 0x00007fff97c1b211 start_wqthread + 13
>
> Thread 7:
> 0 libsystem_kernel.dylib 0x00007fff97b334e6 __workq_kernreturn + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1b7b5 _pthread_wqthread + 1426
> 2 libsystem_pthread.dylib 0x00007fff97c1b211 start_wqthread + 13
>
> Thread 8:
> 0 libsystem_kernel.dylib 0x00007fff97b334e6 __workq_kernreturn + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1b7b5 _pthread_wqthread + 1426
> 2 libsystem_pthread.dylib 0x00007fff97c1b211 start_wqthread + 13
>
> Thread 9:
> 0 libsystem_kernel.dylib 0x00007fff97b32fde __semwait_signal + 10
> 1 libsystem_c.dylib 0x00007fff97ab9b72 nanosleep + 199
> 2 libc++.1.dylib 0x00007fff965e765b std::__1::this_thread::sleep_for(std::__1::chrono::duration > const&) + 80
> 3 com.apple.JavaScriptCore 0x00007fff8578c3df void std::__1::this_thread::sleep_for >(std::__1::chrono::duration > const&) + 63
> 4 com.apple.JavaScriptCore 0x00007fff8578b3d1 bmalloc::waitUntilFalse(std::__1::unique_lock&, std::__1::chrono::duration >, bool&) + 113
> 5 com.apple.JavaScriptCore 0x00007fff8578b220 bmalloc::Heap::scavenge(std::__1::unique_lock&, std::__1::chrono::duration >) + 48
> 6 com.apple.JavaScriptCore 0x00007fff8578b0b4 bmalloc::Heap::concurrentScavenge() + 68
> 7 com.apple.JavaScriptCore 0x00007fff8578c621 bmalloc::AsyncTask::threadRunLoop() + 97
> 8 com.apple.JavaScriptCore 0x00007fff8578c529 bmalloc::AsyncTask::threadEntryPoint(bmalloc::AsyncTask*) + 9
> 9 com.apple.JavaScriptCore 0x00007fff8578c7dd void* std::__1::__thread_proxy*), bmalloc::AsyncTask*> >(void*) + 93
> 10 libsystem_pthread.dylib 0x00007fff97c1baab _pthread_body + 180
> 11 libsystem_pthread.dylib 0x00007fff97c1b9f7 _pthread_start + 286
> 12 libsystem_pthread.dylib 0x00007fff97c1b221 thread_start + 13
>
> Thread 10:
> 0 libsystem_kernel.dylib 0x00007fff97b334e6 __workq_kernreturn + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1b7b5 _pthread_wqthread + 1426
> 2 libsystem_pthread.dylib 0x00007fff97c1b211 start_wqthread + 13
>
> Thread 11:: com.apple.NSEventThread
> 0 libsystem_kernel.dylib 0x00007fff97b2b41a mach_msg_trap + 10
> 1 libsystem_kernel.dylib 0x00007fff97b2a867 mach_msg + 55
> 2 com.apple.CoreFoundation 0x00007fff8293a834 __CFRunLoopServiceMachPort + 212
> 3 com.apple.CoreFoundation 0x00007fff82939cc1 __CFRunLoopRun + 1361
> 4 com.apple.CoreFoundation 0x00007fff82939514 CFRunLoopRunSpecific + 420
> 5 com.apple.AppKit 0x00007fff8070d5a0 _NSEventThread + 205
> 6 libsystem_pthread.dylib 0x00007fff97c1baab _pthread_body + 180
> 7 libsystem_pthread.dylib 0x00007fff97c1b9f7 _pthread_start + 286
> 8 libsystem_pthread.dylib 0x00007fff97c1b221 thread_start + 13
>
> Thread 12:: JIT Worklist Worker Thread
> 0 libsystem_kernel.dylib 0x00007fff97b32c8a __psynch_cvwait + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1c96a _pthread_cond_wait + 712
> 2 libc++.1.dylib 0x00007fff965a658d std::__1::condition_variable::wait(std::__1::unique_lock&) + 47
> 3 com.apple.JavaScriptCore 0x00007fff857769ce WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda const&, WTF::ScopedLambda const&, std::__1::chrono::time_point > >) + 2494
> 4 com.apple.JavaScriptCore 0x00007fff8552dbca JSC::JITWorklist::runThread() + 234
> 5 com.apple.JavaScriptCore 0x00007fff8552e05d std::__1::__function::__func, void ()>::operator()() + 13
> 6 com.apple.JavaScriptCore 0x00007fff84d78752 WTF::threadEntryPoint(void*) + 178
> 7 com.apple.JavaScriptCore 0x00007fff84d7867f WTF::wtfThreadEntryPoint(void*) + 15
> 8 libsystem_pthread.dylib 0x00007fff97c1baab _pthread_body + 180
> 9 libsystem_pthread.dylib 0x00007fff97c1b9f7 _pthread_start + 286
> 10 libsystem_pthread.dylib 0x00007fff97c1b221 thread_start + 13
>
> Thread 13:: WTF Parallel Helper Thread
> 0 libsystem_kernel.dylib 0x00007fff97b32c8a __psynch_cvwait + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1c96a _pthread_cond_wait + 712
> 2 libc++.1.dylib 0x00007fff965a658d std::__1::condition_variable::wait(std::__1::unique_lock&) + 47
> 3 com.apple.JavaScriptCore 0x00007fff857769ce WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda const&, WTF::ScopedLambda const&, std::__1::chrono::time_point > >) + 2494
> 4 com.apple.JavaScriptCore 0x00007fff85775dc2 WTF::ParallelHelperPool::waitForClientWithTask(WTF::Locker const&) + 370
> 5 com.apple.JavaScriptCore 0x00007fff85775b33 WTF::ParallelHelperPool::helperThreadBody() + 83
> 6 com.apple.JavaScriptCore 0x00007fff84d78752 WTF::threadEntryPoint(void*) + 178
> 7 com.apple.JavaScriptCore 0x00007fff84d7867f WTF::wtfThreadEntryPoint(void*) + 15
> 8 libsystem_pthread.dylib 0x00007fff97c1baab _pthread_body + 180
> 9 libsystem_pthread.dylib 0x00007fff97c1b9f7 _pthread_start + 286
> 10 libsystem_pthread.dylib 0x00007fff97c1b221 thread_start + 13
>
> Thread 14:: WTF Parallel Helper Thread
> 0 libsystem_kernel.dylib 0x00007fff97b32c8a __psynch_cvwait + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1c96a _pthread_cond_wait + 712
> 2 libc++.1.dylib 0x00007fff965a658d std::__1::condition_variable::wait(std::__1::unique_lock&) + 47
> 3 com.apple.JavaScriptCore 0x00007fff857769ce WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda const&, WTF::ScopedLambda const&, std::__1::chrono::time_point > >) + 2494
> 4 com.apple.JavaScriptCore 0x00007fff85775dc2 WTF::ParallelHelperPool::waitForClientWithTask(WTF::Locker const&) + 370
> 5 com.apple.JavaScriptCore 0x00007fff85775b33 WTF::ParallelHelperPool::helperThreadBody() + 83
> 6 com.apple.JavaScriptCore 0x00007fff84d78752 WTF::threadEntryPoint(void*) + 178
> 7 com.apple.JavaScriptCore 0x00007fff84d7867f WTF::wtfThreadEntryPoint(void*) + 15
> 8 libsystem_pthread.dylib 0x00007fff97c1baab _pthread_body + 180
> 9 libsystem_pthread.dylib 0x00007fff97c1b9f7 _pthread_start + 286
> 10 libsystem_pthread.dylib 0x00007fff97c1b221 thread_start + 13
>
> Thread 15:: WTF Parallel Helper Thread
> 0 libsystem_kernel.dylib 0x00007fff97b32c8a __psynch_cvwait + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1c96a _pthread_cond_wait + 712
> 2 libc++.1.dylib 0x00007fff965a658d std::__1::condition_variable::wait(std::__1::unique_lock&) + 47
> 3 com.apple.JavaScriptCore 0x00007fff857769ce WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda const&, WTF::ScopedLambda const&, std::__1::chrono::time_point > >) + 2494
> 4 com.apple.JavaScriptCore 0x00007fff85775dc2 WTF::ParallelHelperPool::waitForClientWithTask(WTF::Locker const&) + 370
> 5 com.apple.JavaScriptCore 0x00007fff85775b33 WTF::ParallelHelperPool::helperThreadBody() + 83
> 6 com.apple.JavaScriptCore 0x00007fff84d78752 WTF::threadEntryPoint(void*) + 178
> 7 com.apple.JavaScriptCore 0x00007fff84d7867f WTF::wtfThreadEntryPoint(void*) + 15
> 8 libsystem_pthread.dylib 0x00007fff97c1baab _pthread_body + 180
> 9 libsystem_pthread.dylib 0x00007fff97c1b9f7 _pthread_start + 286
> 10 libsystem_pthread.dylib 0x00007fff97c1b221 thread_start + 13
>
> Thread 16:: WTF Parallel Helper Thread
> 0 libsystem_kernel.dylib 0x00007fff97b32c8a __psynch_cvwait + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1c96a _pthread_cond_wait + 712
> 2 libc++.1.dylib 0x00007fff965a658d std::__1::condition_variable::wait(std::__1::unique_lock&) + 47
> 3 com.apple.JavaScriptCore 0x00007fff857769ce WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda const&, WTF::ScopedLambda const&, std::__1::chrono::time_point > >) + 2494
> 4 com.apple.JavaScriptCore 0x00007fff85775dc2 WTF::ParallelHelperPool::waitForClientWithTask(WTF::Locker const&) + 370
> 5 com.apple.JavaScriptCore 0x00007fff85775b33 WTF::ParallelHelperPool::helperThreadBody() + 83
> 6 com.apple.JavaScriptCore 0x00007fff84d78752 WTF::threadEntryPoint(void*) + 178
> 7 com.apple.JavaScriptCore 0x00007fff84d7867f WTF::wtfThreadEntryPoint(void*) + 15
> 8 libsystem_pthread.dylib 0x00007fff97c1baab _pthread_body + 180
> 9 libsystem_pthread.dylib 0x00007fff97c1b9f7 _pthread_start + 286
> 10 libsystem_pthread.dylib 0x00007fff97c1b221 thread_start + 13
>
> Thread 17:: WTF Parallel Helper Thread
> 0 libsystem_kernel.dylib 0x00007fff97b32c8a __psynch_cvwait + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1c96a _pthread_cond_wait + 712
> 2 libc++.1.dylib 0x00007fff965a658d std::__1::condition_variable::wait(std::__1::unique_lock&) + 47
> 3 com.apple.JavaScriptCore 0x00007fff857769ce WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda const&, WTF::ScopedLambda const&, std::__1::chrono::time_point > >) + 2494
> 4 com.apple.JavaScriptCore 0x00007fff85775dc2 WTF::ParallelHelperPool::waitForClientWithTask(WTF::Locker const&) + 370
> 5 com.apple.JavaScriptCore 0x00007fff85775b33 WTF::ParallelHelperPool::helperThreadBody() + 83
> 6 com.apple.JavaScriptCore 0x00007fff84d78752 WTF::threadEntryPoint(void*) + 178
> 7 com.apple.JavaScriptCore 0x00007fff84d7867f WTF::wtfThreadEntryPoint(void*) + 15
> 8 libsystem_pthread.dylib 0x00007fff97c1baab _pthread_body + 180
> 9 libsystem_pthread.dylib 0x00007fff97c1b9f7 _pthread_start + 286
> 10 libsystem_pthread.dylib 0x00007fff97c1b221 thread_start + 13
>
> Thread 18:: WTF Parallel Helper Thread
> 0 libsystem_kernel.dylib 0x00007fff97b32c8a __psynch_cvwait + 10
> 1 libsystem_pthread.dylib 0x00007fff97c1c96a _pthread_cond_wait + 712
> 2 libc++.1.dylib 0x00007fff965a658d std::__1::condition_variable::wait(std::__1::unique_lock&) + 47
> 3 com.apple.JavaScriptCore 0x00007fff857769ce WTF::ParkingLot::parkConditionallyImpl(void const*, WTF::ScopedLambda const&, WTF::ScopedLambda const&, std::__1::chrono::time_point > >) + 2494
> 4 com.apple.JavaScriptCore 0x00007fff85775dc2 WTF::ParallelHelperPool::waitForClientWithTask(WTF::Locker const&) + 370
> 5 com.apple.JavaScriptCore 0x00007fff85775b33 WTF::ParallelHelperPool::helperThreadBody() + 83
> 6 com.apple.JavaScriptCore 0x00007fff84d78752 WTF::threadEntryPoint(void*) + 178
> 7 com.apple.JavaScriptCore 0x00007fff84d7867f WTF::wtfThreadEntryPoint(void*) + 15
> 8 libsystem_pthread.dylib 0x00007fff97c1baab _pthread_body + 180
> 9 libsystem_pthread.dylib 0x00007fff97c1b9f7 _pthread_start + 286
> 10 libsystem_pthread.dylib 0x00007fff97c1b221 thread_start + 13
>
> Thread 19:: com.apple.NSURLConnectionLoader
> 0 libsystem_kernel.dylib 0x00007fff97b2b41a mach_msg_trap + 10
> 1 libsystem_kernel.dylib 0x00007fff97b2a867 mach_msg + 55
> 2 com.apple.CoreFoundation 0x00007fff8293a834 __CFRunLoopServiceMachPort + 212
> 3 com.apple.CoreFoundation 0x00007fff82939cc1 __CFRunLoopRun + 1361
> 4 com.apple.CoreFoundation 0x00007fff82939514 CFRunLoopRunSpecific + 420
> 5 com.apple.CFNetwork 0x00007fff81b0a334 +[NSURLConnection(Loader) _resourceLoadLoop:] + 313
> 6 com.apple.Foundation 0x00007fff8434730d __NSThread__start__ + 1243
> 7 libsystem_pthread.dylib 0x00007fff97c1baab _pthread_body + 180
> 8 libsystem_pthread.dylib 0x00007fff97c1b9f7 _pthread_start + 286
> 9 libsystem_pthread.dylib 0x00007fff97c1b221 thread_start + 13
>
> Thread 0 crashed with X86 Thread State (64-bit):
> rax: 0xbadd67f4fa2dbead rbx: 0x0000618000224100 rcx: 0x000067f4fa2dbea8 rdx: 0x00007fff9713a8d0
> rdi: 0x0000618000224100 rsi: 0x0000000000000307 rbp: 0x00007fff51d60820 rsp: 0x00007fff51d60820
> r8: 0x0000000000603445 r9: 0x00007fff9cc9a358 r10: 0x00007fff9cc9a358 r11: 0x00007f7ff7641af0
> r12: 0x0000000000000000 r13: 0x0000000000000004 r14: 0x00006100001b1fec r15: 0x0000610000198940
> rip: 0x00007fff97117a31 rfl: 0x0000000000010202 cr2: 0x000067f4fa2dbec8
>
> Logical CPU: 2
> Error Code: 0x00000004
> Trap Number: 14

No source file, test, or entry point is named. Reproduce the crash with an inline image.pdf, especially after making text bold, then trace the Markdown rendering and editing path; done means embedded PDFs no longer crash MacDown under the reported scenario.

Written by the indexing model from the issue text.