Last updated at 10:53 pm UTC on 10 December 2015
NFD_Quick_Check is a property assigned to each Character in the Unicode Character Database. It is used to do a quick check if a string is in NFD form.
http://www.unicode.org/Public/UCD/latest/ucd/PropertyAliases.txt gives the abbreviated name NFD_QC.
The values for the four Quick_Check properties for all code points are listed in DerivedNormalizationProps.txt.
NFD_Quick_Check property of U+0301 - combining acute accent