[Webkit-unassigned] [Bug 165753] New: Wrong whitespace position in wrapped rtl

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=165753

            Bug ID: 165753
           Summary: Wrong whitespace position in wrapped rtl
    Classification: Unclassified
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Minor
          Priority: P2
         Component: HTML Editing
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mail at adrianheine.de

Given a monospace textarea with a width of 6 characters with the following content:

>>>><<<<< (order)
012387654 (storage position)
Say ا ب ج

Firefox wraps like this:

 >>>><<  (order)
|012354| (storage position)
|Say  ا|

 <<<     (order)
|876   | (storage position)
|ب ج   |

Webkit wraps like this:

 >>>><<  (order)
|012345| (storage position)
|Say ا |

 <<<     (order)
|876   | (storage position)
|ب ج   |

I argue that Webkit's behaviour is wrong, since 4 and 5 are part of an rtl span and thus their horizontal order should be reversed content order.

I confirmed this in Epiphany with Webkit 2.14.2 and Chromium 55.

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