VALID_DAY        1114 third_party/libxml/src/xmlschemastypes.c #define VALID_DAY(day)          ((day >= 1) && (day <= 31))
VALID_DAY         142 third_party/libxslt/libexslt/date.c #define VALID_DAY(day)          ((day >= 1) && (day <= 31))