#0  WebCore::HTMLElement::parseAttribute (this=0x557263c7e070, name=..., value=...) at ../Source/WebCore/html/HTMLElement.cpp:349
  [Error: HTMLElement.cpp was not found in source tree]
#1  0x00007f9bdadb76d8 in WebCore::Element::attributeChanged (this=0x557263c7e070, name=..., oldValue=..., newValue=...) at ../Source/WebCore/dom/Element.cpp:1097
  [Error: Element.cpp was not found in source tree]
#2  0x00007f9bdadb6ca0 in WebCore::Element::didModifyAttribute (this=this@entry=0x557263c7e070, name=..., oldValue=..., newValue=...) at ../Source/WebCore/dom/Element.cpp:2851
  [Error: Element.cpp was not found in source tree]
#3  0x00007f9bdadbdeed in WebCore::Element::setAttributeInternal (this=0x557263c7e070, index=<optimized out>, name=..., newValue=..., inSynchronizationOfLazyAttribute=<optimized out>) at ../Source/WebCore/dom/Element.cpp:1075
  [Error: Element.cpp was not found in source tree]
#4  0x00007f9bdae24609 in WebCore::CompositeEditCommand::applyCommandToComposite (this=this@entry=0x7f9b5b7c27e0, prpCommand=...) at ../Source/WebCore/editing/CompositeEditCommand.cpp:278
  [Error: CompositeEditCommand.cpp was not found in source tree]
#5  0x00007f9bdae29112 in WebCore::CompositeEditCommand::setNodeAttribute (this=this@entry=0x7f9b5b7c27e0, element=..., attribute=..., value=...) at ../Source/WebCore/editing/CompositeEditCommand.cpp:664
  [Error: CompositeEditCommand.cpp was not found in source tree]
#6  0x00007f9bdae9dd4f in WebCore::ReplaceSelectionCommand::removeRedundantStylesAndKeepStyleSpanInline (this=this@entry=0x7f9b5b7c27e0, insertedNodes=...) at ../Source/WebCore/editing/ReplaceSelectionCommand.cpp:525
  [Error: ReplaceSelectionCommand.cpp was not found in source tree]
#7  0x00007f9bdaea088d in WebCore::ReplaceSelectionCommand::doApply (this=0x7f9b5b7c27e0) at ../Source/WebCore/editing/ReplaceSelectionCommand.cpp:1151
  [Error: ReplaceSelectionCommand.cpp was not found in source tree]
#8  0x00007f9bdae24609 in WebCore::CompositeEditCommand::applyCommandToComposite (this=this@entry=0x7f9b5b7c2120, prpCommand=...) at ../Source/WebCore/editing/CompositeEditCommand.cpp:278
  [Error: CompositeEditCommand.cpp was not found in source tree]
#9  0x00007f9bdae2a2f8 in WebCore::CompositeEditCommand::moveParagraphs (this=0x7f9b5b7c2120, startOfParagraphToMove=..., endOfParagraphToMove=..., destination=..., preserveSelection=<optimized out>, preserveStyle=<optimized out>) at ../Source/WebCore/editing/CompositeEditCommand.cpp:1314
  [Error: CompositeEditCommand.cpp was not found in source tree]
#10 0x00007f9bdaea1220 in WebCore::ReplaceSelectionCommand::doApply (this=0x7f9b5b7c2120) at ../Source/WebCore/editing/ReplaceSelectionCommand.cpp:1191
  [Error: ReplaceSelectionCommand.cpp was not found in source tree]
#11 0x00007f9bdae23ba9 in WebCore::CompositeEditCommand::apply (this=0x7f9b5b7c2120) at ../Source/WebCore/editing/CompositeEditCommand.cpp:227
  [Error: CompositeEditCommand.cpp was not found in source tree]
#12 0x00007f9bdae4635e in WebCore::executeInsertFragment (frame=..., fragment=...) at ../Source/WebCore/editing/EditorCommand.cpp:195
  [Error: EditorCommand.cpp was not found in source tree]
#13 0x00007f9bdae46421 in WebCore::executeInsertHTML (frame=..., value=...) at ../Source/WebCore/editing/EditorCommand.cpp:508
  [Error: EditorCommand.cpp was not found in source tree]
#14 0x00007f9bdad9078f in WebCore::Document::execCommand (this=this@entry=0x7f9b40142a00, commandName=..., userInterface=<optimized out>, value=...) at ../Source/WebCore/dom/Document.cpp:4227
  [Error: Document.cpp was not found in source tree]
#15 0x00007f9bdb9f6d18 in webkit_dom_document_exec_command (self=0x5572636da410, command=<optimized out>, userInterface=0, value=0x557263c6b800 "<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\"><blockquote id=\"-x-evo-main-cite\" type=\"cite\" style=\"font-family: Ubuntu; font-size: 15px; font-style: normal; font-variant: normal; "...) at DerivedSources/webkitdom/WebKitDOMDocument.cpp:1157
  [Error: WebKitDOMDocument.cpp was not found in source tree]
#16 0x00007f9bdd2faffb in e_html_editor_selection_insert_html () from /tmp/apport_sandbox_4oXioQ/usr/lib/evolution/libevolution-util.so.0
#17 0x00007f9b6a0d1344 in e_composer_paste_html () from /tmp/apport_sandbox_4oXioQ/usr/lib/evolution/libevolution-mail-composer.so.0
#18 0x00007f9bd9c40db1 in request_targets_received_func (clipboard=0x5572621fb960, selection_data=selection_data@entry=0x7fffc85ab940, data=data@entry=0x5572631d3ed0) at /build/gtk+3.0-lL7YRg/gtk+3.0-3.18.9/./gtk/gtkclipboard.c:1325
  [Error: gtkclipboard.c was not found in source tree]
#19 0x00007f9bd9c41049 in selection_received (widget=0x55725f37d5a0, selection_data=0x7fffc85ab940, time=<optimized out>) at /build/gtk+3.0-lL7YRg/gtk+3.0-3.18.9/./gtk/gtkclipboard.c:960
  [Error: gtkclipboard.c was not found in source tree]
#20 0x00007f9bd92fefa5 in ?? ()
#21 0x000055725f024180 in ?? ()
#22 0xf47b70ecd8dea700 in ?? ()
#23 0x0000000040000002 in ?? ()
#24 0x00007f9bd9016b23 in ?? ()
#25 0x0000000000000002 in ?? ()
#26 0x000055725f37d5a0 in ?? ()
#27 0x00007f9b400fe180 in ?? ()
#28 0x00007fffc85ab560 in ?? ()
#29 0x000055725f02d5d0 in ?? ()
#30 0x0000000000000000 in ?? ()