[Webkit-unassigned] [Bug 165796] New: text-align: justify and word-spacing combine to overflow column

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=165796

            Bug ID: 165796
           Summary: text-align: justify and word-spacing combine to
                    overflow column
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bswest at gmail.com
                CC: simon.fraser at apple.com

Created attachment 297005
  --> https://bugs.webkit.org/attachment.cgi?id=297005&action=review
HTML with inline CSS demonstrating problem

When text-align: justify is used in combination with word-spacing, the text will almost always overflows a column (horizontally). In attached HTML, an exaggerated value of 20px is used for word-spacing, but the problem also occurs with smaller, more reasonable values. 

Of note is the fifth line (ending in "post-ironic.") that, for whatever reason, does not overflow.

Curiously, the amount that it overflows seems to be the exact value used for word-spacing. Hopefully that suggests something about the nature of the bug. 

It also means that for most lines, one could work around the issue by specifying a padding-right value with the same value as word-spacing. Unfortunately, though, the lines that work above ("post-ironic") become too far inset.

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