The following characters are derived from Han ideographs, either by decorating them or grouping them (maybe with digits); they have the script property value Common:
3220..3243 Common Parenthesized ideographs 3280..32B0 Common Circled ideographs 337B..337F Common Japanese era names 337F Common Japanese corporation 32C0..32CB Common Telegraph symbols for months 3358..3370 Common Telegraph symbols for hours 33E0..33FE Common Telegraph symbols for days
Similarly, the following characters are derived from Latin characters, and also have the script property value Common:
3250 Common Squared Latin abbreviation 32CC..32CF Common Squared Latin abbreviations 3371..337A Common Squared Latin Abbreviations 3380..33DF Common Squared Latin abbreviations 33FF Common Squared Latin abbreviation
This is in contrast with similarly constructed characters, which adopt the script value property of their parts
3200..320D Hangul Parenthesized Hangul elements 320E..321C Hangul Parenthesized Hangul syllables 321D..321E Hangul Parenthesized Korean words 3260..326D Hangul Circled Hangul elements 326E..327B Hangul Circled Hangul syllables 327C..327D Hangul Circled Korean words 327E Hangul* Circled Hangul syllable 32D0..32FE Katakana* Circled Katakana 3300..3357 Katakana* Squared Katana words
* The script value property of the characters marked with an asterisk is Common in Unicode 5.0.0, but the UTC has already decided to change those to the indicated values in a future release.
The question for public review is whether to: