According to https://www.unicode.org/Public/16.0.0/ucd/StandardizedVariants.txt, U+3002 IDEOGRAPHIC FULL STOP (。) can select its form according to a following variation selector.
文。__句子。__
正體字。︁_Traditional._
正體字。︁__Hong Kong and Taiwan.__
简体字 / 新字体。︀_Simplified._
简体字 / 新字体。︀__Mainland China or Japan.__
The first full stop in the 2nd and 3rd paragraphs is U+3002 U+FE01 (TW/HK form), and those in the 4th and last ones is U+3002 U+FE00 (CN/JP form).
The both full stops in the first paragraph is just U+3002.
The current CommonMark does not recognize the emphaiss in the middle and last paragraphs.
This can be fixed together with #650.
According to https://www.unicode.org/Public/16.0.0/ucd/StandardizedVariants.txt, U+3002 IDEOGRAPHIC FULL STOP (。) can select its form according to a following variation selector.
The first full stop in the 2nd and 3rd paragraphs is U+3002 U+FE01 (TW/HK form), and those in the 4th and last ones is U+3002 U+FE00 (CN/JP form).
The both full stops in the first paragraph is just U+3002.
The current CommonMark does not recognize the emphaiss in the middle and last paragraphs.
This can be fixed together with #650.