PROP_XID_START   2839 maint/gnulib/lib/gen-uni-tables.c       PROP ("XID_Start", PROP_XID_START)
PROP_XID_START   3236 maint/gnulib/lib/gen-uni-tables.c   return ((unicode_properties[ch] & (1ULL << PROP_XID_START)) != 0);