Created attachment 1166348 [details]
Tamil font rendering incorrectly
Description of problem:
I am using fedora 22 system. I am unable to view the Tamil fonts correctly. It's in unstructured format. But it shows very well in konsole terminal.
Version-Release number of selected component (if applicable):
It happens to me every time when I follow the below steps
Steps to Reproduce:
1. Here is the guide on how to type in Tamil
2. Select Tamil keyboard from input method
3. Open gnome-terminal
4. For example write any text inside a text file
# vim foo.txt
5. View it in terminal
# cat foo.txt
//It will show Tamil fonts incorrectly
Shows Tamil fonts incorrectly.
It should show Tamil fonts properly.
Additional info: This problem is not only in Fedora 22 systems. It occurs on all Fedora, CentOS and Red Hat distributions. The above method works well on Konsole. Konsole show Tamil fonts properly. So the problem might be in gnome-terminal.
See https://bugzilla.gnome.org/show_bug.cgi?id=584160 for some history of CTL in gnome-terminal. It is not an easy problem, and I don't expect fast progress.
Right, surprising. Now Konsole has also started supporting complex script rendering.
I think problem for this fix is not technology, but should actually gnome-terminal support complex script.
We are advancing in technology, so i feel in long term we must support complex script in Gnome as well.
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We have crossed 4 versions (Fedora 23,24,25 and 26).
Still, the issue is not resolved :(.
This is not about Fedora 23.
This is known issue from last 10 years and already decided that if anyone wants to use Indian or any language required complex script features use Emacs instead.
COE college students done project to resolve this and few patches are available. please read more about it at http://foss.coep.org.in/fosslab/Indian-Language-support-in-gnome-terminal.pdf but its not as per design of VTE.