Re: [sinhala-technical] [Fwd: Bug in BhashitaComplex font: Wrong ligature seen for dantaja sayanna touching itself]

[Harshula <har...@gm...>]

Hi Sethu,

I think Dineesha has fixed the bug you reported.

Dineesha,

Could you please send the updated font directly to Sethu for testing?

cya,
#

On Thu, 2011-09-01 at 10:05 +0530, கா. சேது | කා. සේතු | K. Sethu wrote:
> Further to my test findings in Linux (Ubuntu, Fedora) which I
> reported, I also tested the Windows versions of the same fonts in
> Windows-7 and found the same bug in those too.
> 
> ~Sethu
> 
> On Tue, Aug 30, 2011 at 6:43 PM, Harshula <har...@gm...> wrote:
> > -------- Forwarded Message --------
> > From: கா. சேது | කා. සේතු | K. Sethu <sk...@gm...>
> > To: sin...@li...
> > Subject: [sinhala-technical] Bug in BhashitaComplex font: Wrong ligature
> > seen for dantaja sayanna touching itself
> > Date: Tue, 30 Aug 2011 16:43:00 +0530
> >
> > While testing the sequences for touching consonants that I have
> > included in a Wijesekera keymap being made by me in KMFL
> > (http://kmfl.sourceforge.net/), I detected a bug in BhashithaComplex
> > and BhashithaComplexSans fonts for Linux released by ICTA.
> >
> > The code points sequence for any two consonants touching is:  <CONS1>
> > 200D 0DCA <CONS2>  wherein CONS1 and CONS2 are the two consonants
> > which are to touch with al-lakuna hidden. The bug I observe is when
> > both are ස (dantaja sayanna).
> >
> > You can see it in the attached screen shot file:
> > touch-cons-LibreWriter.png taken in Libre Writer. With the correct
> > sequence  when either one of the Bhashita font is used the second
> > character changes to mayanna. Changing font to LKLUG shows it
> > correctly as  ස but of course LKLUG lacks the level 3 ligature to hide
> > al-lakuna and also show touching correctly.
> >
> > The other combinations I tried - (ම,ම) (ක,ක), (න,න) and (ස.ම) all
> > yield correct ligatures.
> >
> > I also looked at the ligature for ස touching ම under fontforge -
> > attached file touch_sa_ma_liga-bhashita-fontforge.png . The sub-tables
> > and the components fields for the Ligature do not have any additional
> > data to cover the case of both consonant being   ස. So why these
> > Bhashitha fonts yield this bug is beyond my level of know-how.
> >
> > ~Sethu
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