https://bugzilla.redhat.com/show_bug.cgi?id=1427550
--- Comment #7 from Seshadri N <nsesha92(a)yahoo.co.in> ---
Hi Pravin,
Thanks for taking this up, I am delighted.
Yes, moved ahead, trying to learn new things, challenging and fun.
On the sfd that I sent, few things that need to be corrected per my current
'learning'.
1. The error is Missing Point at Extrema and Self intersecting.
Not invested time to learn and fix it, will try in the coming days, you should
be able to fix it in no time.
2. I also realised that kSha (kataml_viramataml_ssataml) is not showing up in
GPOS blwn subtable and Anchor-1 is also NOT showing up at the left most side (
comparing against GPOS abvm).
3. Guess I also need to add another GSUB ( or GPOS or both) table for vowel
sign aa, i, ii, u, uu, ai, o, oo, au combinations to place Anchor-0 and
Anchor-1 at the 'right' place ??
4. Same for kSha
5. I have placed Anchor-0 and Anchor-1 more by guess work/positioning by
looking at my laptop screen than scientifically/using the right step.
6. And 'Transformed' the size of newly added 12 Glyphs again by guess work.
To the best of my current understanding, the above need to be corrected/fixed.
Now coming to your questions:
Q1. How frequently these new added characters get used? Is it for all users for
Tamil language or only specific set?
A1. Used by a select set of people for writing Dev Vedas like Pancha Suktam etc
in Tamil and also transliterating the Dev slokas that have these characters
into Tamil.
Other contributors and masters like Sri Shriramana Sharma can throw more light.
Q2. Did you see Lohit Tamil Classical?
A2. Yes, I dowloaded it from here, but finally what I see is Normal/Basic Tamil
fonts.
https://pagure.io/lohit >> Lohit Tamil Classical >>
https://releases.pagure.org/lohit/lohit-tamil-ttf-2.5.3.tar.gz
However for oldies like me who have studied in Tamil medium and having gone
thro some of the related Bugs, I know the context - the rendering of aa, i, ii
etc, vowel signs for nna, nnna, rra etc.
But, note that, in the classical case, its an OR condition - either 'old style'
or the new unified/uniform computer saavy style.
Q3. How about different versions - Lohit Tamil (basic), Lohit Tamil Vedic etc??
Because, as a Developer, we can get more flexibility adding new
characters and changing.
A3. Yes AND NO.
Here the condition is AND and not OR as the Classical case.
It can give flexibility but maintaining (version control) multiple Tamil Lohit
fonts can be challenging. You can also have Basic and Vedic (with just the
extentions) as separate 'packages' and create Tamil Vedic by '#include'ing
the
Vedic. However there are also interdependencies - say adding a marker
needs adding related Anchors in the Basic package etc.
So, IMO, better to have single 'package' to take care of these dozen or so
additions and those who want to use them can do so.
Comments from others are welcome and the final approach is left to you.
Thanks again for your help.
Warm regards
Seshadri
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