Javanese font uses cakra glyph that's too wide for combination with dotted circle

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For the character sequence U+25CC U+A9BF (dotted circle, Javanese cakra), Noto 
Sans Javanese uses a rather wide cakra glyph. The font has a narrower cakra 
glyph that's used in combination with the narrower Javanese base letters, e.g., 
U+A994 or U+A995. The same narrower glyph should be used for the dotted circle.

What steps will reproduce the problem?
Use a browser with a good rendering engine to go to
http://lindenbergsoftware.com/google/noto/java-table.html

What is the expected output? What do you see instead?
Table cell A9BF should use a narrow glyph for Javanese cakra. Instead, a rather 
wide glyph is used.

What version of the product are you using? On what operating system?
Noto Sans Javanese Regular 1.01
Mozilla Firefox Nightly 36.0a1 (2014-10-14)
Mac OS X 10.9.5

Please provide any additional information below.
The fix is an additional entry for uni25CC as a backtrack glyph in GSUB lookup 
table 7.

Original issue reported on code.google.com by googled...@lindenbergsoftware.com on 15 Oct 2014 at 1:11

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Original comment by roozbeh@google.com on 25 Oct 2014 at 1:34

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Original comment by roozbeh@google.com on 16 Jan 2015 at 6:13

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Original comment by xian...@google.com on 1 Apr 2015 at 6:14

• Changed state: Accepted

[bennylin]

There are actually several, at least 5, different cakra glyphs, depends on the width of the previous glyph, and the location (top or bottom). The top one at least have 3 sizes of glyphs, and the bottom cakra could be several (2 or more)

[kmansourMT]

Added logic to select a more appropriately sized variant of the chakra when combined with the dotted circle.