[Webkit-unassigned] [Bug 186377] New: A node in contenteditable is removed when all characters in it are removed

Wed Jun 6 19:08:55 PDT 2018

https://bugs.webkit.org/show_bug.cgi?id=186377

            Bug ID: 186377
           Summary: A node in contenteditable is removed when all
                    characters in it are removed
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML Editing
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: kei.itof at gmail.com
                CC: wenson_hsieh at apple.com

Created attachment 342105

  --> https://bugs.webkit.org/attachment.cgi?id=342105&action=review

Steps to Reproduce

Summary:
A node in contenteditable is removed when all characters in it are removed by backspace key or delete key etc. if the "position" of the parent node is "relative".

Steps to Reproduce:
# 1. Save the code below as page.html.

<!doctype html>
<meta charset="utf-8">
<style>
.editable {
    margin: 20px;
    padding: 20px;
    background-color: #fcc;
}
.editable div {
    padding: 20px;
    background-color: #ccf;
}
.editable2 div {
    position: relative;
}
</style>
<div contenteditable="true" class="editable editable1">
    <div>ABC</div>
</div>
<div contenteditable="true" class="editable editable2">
    <div>DEF</div>
</div>

# 2. Open Safari
# 3. Drag and drop the page.html onto the address bar
# 4. Click the right of "ABC" and press Backspace 3 times
# 5. Click the right of "DEF" and press Backspace 3 times

You can try it on this page: https://codepen.io/wemotter/pen/jxegxw

Expected Results:
"ABC" and "DEF" are removed and the blue areas remains.

Actual Results:
"ABC" and "DEF" are removed and the first blue area remains but the second is removed.

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