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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Web Inspector: Sometimes CSS resources don't update after editing via Styles panel"
   href="https://bugs.webkit.org/show_bug.cgi?id=143244#c3">Comment # 3</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Web Inspector: Sometimes CSS resources don't update after editing via Styles panel"
   href="https://bugs.webkit.org/show_bug.cgi?id=143244">bug 143244</a>
              from <span class="vcard"><a class="email" href="mailto:nvasilyev&#64;apple.com" title="Nikita Vasilyev &lt;nvasilyev&#64;apple.com&gt;"> <span class="fn">Nikita Vasilyev</span></a>
</span></b>
        <pre>Same stacktrace, fixed formatting:

Assertion failed:
markAsNeedsRefresh                                StyleDetailsPanel.js:82
visibilityDidChange                               CSSStyleDetailsSidebarPanel.js:128
removeSidebarPanel                                Sidebar.js:97
showDetailsSidebarPanels                          ContentBrowserTabContentView.js:166
dispatch                                          Object.js:123
dispatchEventToListeners                          Object.js:130
_dispatchCurrentRepresentedObjectsDidChangeEvent  ContentBrowser.js:462
_currentContentViewDidChange                      ContentBrowser.js:503
dispatch                                          Object.js:123
dispatchEventToListeners                          Object.js:130
closeAllContentViewsContentView                   Container.js:389
_showDOMTreeContentView                           ElementsTabContentView.js:88
_mainResourceDidChange                            ElementsTabContentView.js:105
dispatch                                          Object.js:123
dispatchEventToListeners                          Object.js:138
_dispatchMainResourceDidChangeEvent               Frame.js:473
commitProvisionalLoad                             Frame.js:137
frameDidNavigate                                  FrameResourceManager.js:104
frameNavigated                                    PageObserver.js:41
dispatchEvent                                     InspectorBackend.js:352
_dispatchEvent                                    InspectorBackend.js:232
dispatch                                          InspectorBackend.js:87
dispatchNextQueuedMessageFromBackend              MessageDispatcher.js:41

Assertion failed:
_stopTracking                                     CodeMirrorTokenTrackingController.js:201
enabled                                           CodeMirrorTokenTrackingController.js:80
editingControllerDidStartEditing                  SourceCodeTextEditor.js:1649
hoverMenuButtonWasPressed                         CodeMirrorEditingController.js:172
_handleClickEvent                                 HoverMenu.js:98
handleEvent                                       HoverMenu.js:84</pre>
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