Re: NNBSP Impact

Hi All,

I create a sample page about NNBSP on our mongolianfont site.

http://www.mongolfont.com/test/sample_nnbsp.html

I also tested this text on some app and the result like below.

No    nnbsp_win7_firefox_39.0.png
No    nnbsp_win7_chrome_44.0.png
No    nnbsp_win7_ie_11.0.21.png
No    nnbsp_win7_opera_31.0.png
Ok    nnbsp_win7_safari_5.1.7.png
Ok    nnbsp_win7_notepad.png

Ok    nnbsp_win7_word_2010.png
Ok    nnbsp_win7_excel_2010.png
Ok    nnbsp_win7_word_2010.pdf
No    nnbsp_copy_from_pdf_paste_to_notepad.png

No    nnbsp_mac_chrome_44.png
No    nnbsp_mac_firefox_39.0.png
No    nnbsp_mac_opera_27.0.png
Ok    nnbsp_mac_safari_8.0.7.png

And I also send the sample text throw skype.
The result is that The starting of NNBSP was losted.

I do not know france.
When france word and mongolian word connected with NNBSP, the NNBSP 
belong to which one ?
This case exists in Mongolian document like mongolian people studing 
france language.
(asume the france languauge need NNBSP)

SiqinBilige.

On 2015/07/29 20:13, Andrew West wrote:
> Hi Badral,
>
>> Any incorrect classified breaker characters (for us NNBSP, MVS- between
>> unicode 5.0 and 6.3) corrupt GSUB rules of OTF for Mongolian.
> I'm afraid that I don't see how the classification of NNBSP or MVS can
> break the GSUB rules.  Maybe it has an effect on whether the rendering
> system (e.g. Uniscribe) applies the GSUB rules around the character,
> but should not affect the GSUB rules themselves.  And if the rendering
> system is not applying OpenType shaping rules for Mongolian around
> NNBSP or MVS then that is a bug in the implementation.
>
>> The suffixes
>> have to be started by "medial" variant after NNBSP. This rule is already
>> implemented in every Mongolian Fonts. But every suffix starts with "initial"
>> variant, if NNBSP belongs to spaces or word boundary class ... The problem exists on
>> Openoffice, Libreoffice, Google Chrome, Safari and Opera as my test.
> That would be a bug in the implementation of these products.  Of the
> above software I only have Google Chrome installed, and that renders
> NNBSP + suffix correctly, e.g. on this page
> <http://en.wikipedia.org/wiki/Subei_Mongol_Autonomous_County>
> NNBSP+yin is rendered with the medial form as expected.
>
> Andrew
>
>
>