Noto Sans Armenian uses serif Latin letters

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A few scripts are distinguishing sans-serif and serif letters (or two styles 
for Arabic, Western "standard", and Eastern standard for Persan/Urdu).

This includes Armenian, Khmer, Lao... However the glyphs used for Latin letters 
copied in them always use the Serif style instead of those from Noto Sans.

Merging fonts or copying Latin glyphs is proably not the best option. You can 
just use the additional OTC table that gives the name of another linked font 
for the Latin script.

This would reduce the size of fonts, avoiding duplicates and unsynchronized 
updates between fonts (also this would avoid the issue where some Basic Latin 
letters wil lbe taken from the local font, and most others froù an 
unpredictable font).

Major OpenType engines can already process these font linking tables to build 
"metafonts" with matching styles and metrics, preferably to all other metrics. 
Avoiding duplicaes will improve performance, especially on small devie with not 
a lot of memory and with multilingual documents (e.g. when loading Wiktionary 
pages showing translations or pages containing language navigation links, even 
if Wikiemdia solved the problem by creating a specific limited font designed to 
show language "autonyms" for all supported languages, unfortunately that font 
is still largely unhinted; may be you could as well provide a pan-script font 
"Noto Autonyms" using a secltion of your hinted glyphs).

For now could you discriminate better between serif and sans-serif in fonts for 
specific scripts that borrow a few Latin letters so they line up correctly?

Original issue reported on code.google.com by ver...@gmail.com on 16 Jul 2014 at 4:46

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Original comment by roozbeh@google.com on 16 Jul 2014 at 6:21

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Original comment by roozbeh@google.com on 16 Jan 2015 at 6:00