TextKit2 Kannada text selection and cursor movement error

Originator:parthakr
Number:rdar://FB9479036 Date Originated:08/09/2021
Status:Open Resolved:
Product:MacOS Product Version:ver 11/12
Classification:Core Text API Reproducible:Yes
 
Create below text in Mac OS 12 or 11 in textedit as plain text or open attached text “Text.txt”
Watch the attached video “Screen Recording 2021-08-09 at 4.50.23 PM.mov”
Move the cursor around the text to observe the issue.
Expected behavior: explain in attached keynote presentation “CursorMovement.key”



Text:
Character selection and cursor movement are correct
ಆಶೀವಾದ

ಆಶೀಂವಾದ

ಆಶೀಃವಾದ

ಅಕ್ಟೋಬರ್‌

ಅಕ್ಟ್ರೋಂಬರ್

ಅಕ್ಟ್ರೋಃಬರ್


With the repha in the text 
Character selection and cursor movement are incorrect 
and unpredictable
ಆರ್ಶೀವಾದ

ಆರ್ಶೀಂವಾದ

ಆರ್ಶೀಃವಾದ

ಅರ್ಕ್ಟ್ರೋಂಬರ್

ಅರ್ಕ್ಟ್ರೋಃಬರ್

Comments

files

https://drive.google.com/file/d/1PJiq4sVDZ_m2DY4bumHwAlXx73oojyfk/view?usp=sharing

or

https://we.tl/t-kjNkkZPi9M


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