[Webkit-unassigned] [Bug 169502] New: Apple core text engine has issues with Kannada words with double/triple/multiple u+0ccd (ZERO WIDTH JOINER)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=169502

            Bug ID: 169502
           Summary: Apple core text engine has issues with Kannada words
                    with double/triple/multiple u+0ccd (ZERO WIDTH JOINER)
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
               URL: http://kannada.oneindia.com/news/bangalore/e-kannada-e
                    xhibition-conversation-kannada-online-expo-ravindra-ka
                    lakshetra/slider-pf62615-114263.html
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Text
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: parthakr at gmail.com
                CC: mmaxfield at apple.com

Created attachment 304116
  --> https://bugs.webkit.org/attachment.cgi?id=304116&action=review
Attached screenshot, left Chrome, middle Firefox, Right Safari

Apple core text engine has issues with Kannada words with double/triple/multiple u+0ccd (ZERO WIDTH JOINER), meaning base letter ending with u+0ccd and one or many half-forms with it forced by multiple u+0ccd.

Open the below weblinks in SAFARI on mac, and chrome on mac to see the difference.

search word ದಟ್ಸ್
in below link which uses Tunga Webfont:
http://kannada.oneindia.com/amphtml/news/2009/04/19/karnataka-muslim-sangharsha-samiti-to-support-bjp.html

Search words in
ಎಕ್ಸ್ , ಮಾರ್ಚ್, ಟೆಕ್ಸ್ಟ್, ಬುಕ್ಸ್, ಸಾಫ್ಟ್, ಜಸ್ಟ್
in below link which uses Tunga Webfont:
http://kannada.oneindia.com/news/bangalore/e-kannada-exhibition-conversation-kannada-online-expo-ravindra-kalakshetra-114263.html

Steps to Reproduce:
Open the below weblinks in SAFARI on mac, and chrome on mac to see the difference.

search word ದಟ್ಸ್
in below link which uses Tunga Webfont:
http://kannada.oneindia.com/amphtml/news/2009/04/19/karnataka-muslim-sangharsha-samiti-to-support-bjp.html

Search words in
ಎಕ್ಸ್ , ಮಾರ್ಚ್, ಟೆಕ್ಸ್ಟ್, ಬುಕ್ಸ್, ಸಾಫ್ಟ್, ಜಸ್ಟ್
in below link which uses Tunga Webfont:
http://kannada.oneindia.com/news/bangalore/e-kannada-exhibition-conversation-kannada-online-expo-ravindra-kalakshetra-114263.html

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