Metadata in PDF files can be stored in at least two places:
- the Info Dictionary, a limited set of key/value pairs
- XMP packets, which contain RDF statements expressed as XML
// | |
// This sketch will print some of interesting predefined constants to Serial. | |
// | |
// For more information, look at | |
// http://electronics4dogs.blogspot.com/2011/01/arduino-predefined-constants.html | |
// helper macro | |
#define LINE(name,val) Serial.print(name); Serial.print("\t"); Serial.println(val); | |
void setup() |