[Webkit-unassigned] [Bug 265953] New: Breaking lines stop working correctly when more than 125 text nodes are added to a span tag

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=265953

            Bug ID: 265953
           Summary: Breaking lines stop working correctly when more than
                    125 text nodes are added to a span tag
           Product: WebKit
           Version: Safari 17
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: gabrielnsdantas at gmail.com

When there is a span tag that contains more than 125 text nodes in it, if the span's parent has a word-spacing greater than 0px, the width of the span element stops respecting its parent width.

It's worth noting that the amount of pixels that will exceed the width is equivalent to the sum of space's pixels defined by word-spacing. When the amount of the text nodes exceed 125 it looks like the calculation of the spacing stops counting the defined word-spacing and it starting breaking the lines as it is 0px.

Here is an example: https://codesandbox.io/p/sandbox/safari-breaks

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