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Issue 619407 link

Starred by 3 users

Issue metadata

Status: Fixed
Owner:
Closed: Dec 13
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 3
Type: Bug



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Some Devanagari characters wrongly placed

Reported by kacper.r...@gmail.com, Jun 12 2016

Issue description

<b>Chrome Version       : <Copy from: 'about:version'></b>
URLs (if applicable) : https://en.wikipedia.org/wiki/Indian_numbering_system#Vedic_numbering_systems
Other browsers tested:
  Add OK or FAIL, along with the version, after other browsers where you
have tested this issue:
     Safari: Not tested
    Firefox: FAIL
         IE: OK
       Edge: OK
      Opera: FAIL

What steps will reproduce the problem?
(1) Go to URL, scroll down to Vedic numbering systems, check the Devanagari for 10^12 and 10^17

What is the expected result?
U+0941 should be displayed under the last character of the word U+0915 (क) - like this: कु.

What happens instead?
When directly preceded by the sequence U+0919, U+094D, U+0915, the Unicode character U+0941 is displayed under second-the-last characters U+0919, U+094D (ङ्).

Same problem with U+0942 in the same sequence, possibly with other similar characters too.

Please provide any additional information below. Attach a screenshot if
possible.

Microsoft Windows 10 64bit with default fonts. Same Devanagari font (Mangal) used by all browsers.

Problem also occurs when entering text in the address bar.

Screenshots attached.
 
sanku.png
15.8 KB View Download
Chrome version 51.0.2704.84 m (64-bit)
Components: Blink
Labels: M-53 OS-Windows
Status: Untriaged (was: Unconfirmed)
Able to reproduce the issue on Windows 10 using chrome latest stable M51-51.0.2704.84. Observed some font rendering as shown in the above screen-shot.

This is a non-regression issue seen on earlier version of chrome M45-45.0.2408.0 and on M35-35.0.1849.0 all the text renders in square.

Note: No issues observed on Windows 7 and Mac OS 10.11.5
Components: -Blink Blink>Fonts

Comment 4 by e...@chromium.org, Jun 17 2016

Cc: behdad@chromium.org
Status: Available (was: Untriaged)
Project Member

Comment 5 by sheriffbot@chromium.org, Jul 5 2016

Labels: -M-53 M-54 MovedFrom-53
Moving this nonessential bug to the next milestone.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 6 by sheriffbot@chromium.org, Jul 5 2017

Labels: Hotlist-Recharge-Cold
Status: Untriaged (was: Available)
This issue has been Available for over a year. If it's no longer important or seems unlikely to be fixed, please consider closing it out. If it is important, please re-triage the issue.

Sorry for the inconvenience if the bug really should have been left as Available. If you change it back, also remove the "Hotlist-Recharge-Cold" label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Not fixed - please re-triage. Bug affects rendering and legibility of Indic scripts, so even if not urgent, it ultimately needs fixing.

Comment 8 by e...@chromium.org, Jul 6 2017

Cc: behdad@google.com
Owner: drott@chromium.org
Status: Assigned (was: Untriaged)

Comment 9 by drott@chromium.org, Jul 7 2017

Looks like HarfBuzz is interpreting data in the font differently compared to DWrite - any ideas, Behdad?

Comment 10 by behdad@google.com, Feb 8 2018

Testing with latest hb-view and mangal.ttf shows this working correctly in HarfBuzz.  Can someone verify on Windows with latest Chrome / Firefox?  Suggest close as obsolete.

Comment 11 Deleted

Bug still present. Tested on updated Windows 10 x64, Chrome 64.0.3282.140 (x64), with Arial Unicode MS installed and displaying.

Most recent Chrome and Firefox: FAIL
Most recent Edge and IE: PASS

Comment 13 by behdad@google.com, Feb 8 2018

Please file an issue here: https://github.com/harfbuzz/harfbuzz/issues
Include good/bad images as well as the text (I'm testing with शङ्कु), and ideally info about your arialuni.ttf file (size, version).
Owner: e...@chromium.org
Status: Fixed (was: Assigned)
Renders correctly and matches IE as per M70.
619407.png
70.2 KB View Download

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