[Webkit-unassigned] [Bug 65082] New: Presentational forms for full-width punctuation unused and erroneously rendered in vertical writing mode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=65082

           Summary: Presentational forms for full-width punctuation unused
                    and erroneously rendered in vertical writing mode
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Text
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: xiaodi.wu at gmail.com


Created an attachment (id=101829)
 --> (https://bugs.webkit.org/attachment.cgi?id=101829&action=review)
HTML file demonstrating bug

A. When -webkit-writing-mode is set to vertical-rl, some punctuation marks such as parentheses, etc., are correctly displayed using the vertical presentation form without changes in markup (i.e. the source contains a horizontal full-width open parenthesis and it is correctly displayed as a vertical full-width open parenthesis), but other punctuation marks such as periods, commas, colons, etc. are not--even when the font used contains glyphs for the corresponding vertical presentation form.

B. Furthermore, when the markup is manually altered so that these full-width punctuation marks are replaced by their vertical counterparts, these characters are not recognized as vertical forms and are incorrectly rotated 90 degrees when -webkit-text-orientation is left at its default value (vertical-right).

Attached is an HTML file demonstrating these two bugs (surrounded by <article> tags styled to be outlined in red (for bug A) and yellow (for bug B)), along with the workarounds to produce the expected rendering (green border; expected rendering should be identical for both bugs).

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