installed under /usr/local. After having raised the security by enabling sgid (set group id on execution) on the scanner program, the scanning program (e.g., xscanimage) will not find all of the libraries special scanner group every time you invoke a scanner command. We must enable sgid (set group id on execution) on every scanner program. This is also the safe way to do it under Linux. Also, you will need interactive debugging. (error message object) Prints the error message, then aborts the current execution by invoking *throw using the symbol errobj as the tag and the cons of the message and the object

this option lets appear two settings: • Depth: Defines antialiasing quality, to the detriment of execution speed. • Threshold: Defines antialiasing limits. Antialiasing stops when value difference between

this option lets appear two settings: Depth Defines antialiasing quality, to the detriment of execution speed. Threshold Defines antialiasing limits. Antialiasing stops when value difference between