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PostScript 3 implementation
The PostScript interpreter parameters are divided into three categories:
• User parameters
• System parameters
• Device parameters
The PostScript 3 inplementation of these categories are detailed in the chapters 'User
parameters', 'System parameters' and 'Device parameters'.
%stdout and %stderr
Information sent to the stdout and stderr of the interpreter is ignored.
Automatic/Interactive Printing
Automatic/Interactive Printing is not controllable from within PostScript, it is only configurable by
the operator. For internal jobs it is possible to override the operator configuration.
Specification contradictions
This paragraph gives a description of the generic rules.
There are two types of contradictions:
• Invalid system settings:
These are invalid settings, not supported settings and out of range values.
For example:
- A page size which is larger than the maximum size that the machine supports. This is an error
and it will be handled using the configured PageSize Policy.
- Non-existent settings or out-of-range settings will be handled according to the applicable
policy.
• Invalid combination of settings:
For example: duplex on transparent media.
Ad1. Invalid system settings:
Page size requests for supported formats may be accepted, even if the media is not available in
the machine at the time of interpretation. This is handled as a run-time contradiction.
A configuration error is a PostScript error, which will result in an error page if the printing of error
pages is enabled. The error page shows the operator/operation that provoked the error, but it will
not state in detail what went wrong. The error page is the last page of the document.
Ad2. Invalid combination of settings:
Invalid combinations of settings are fixed automatically - if possible - to avoid rejected jobs that
need to be resubmitted. The resolution rules are product specific.
The printer driver can prevent some of the invalid combinations using the PPD’s UI Constraint
mechanism.
All specification contradictions, which are detected, are logged (but not to the SDS log file).
Settings Editor settings
Supported Settings Editor parameters are product dependent.
Error pages
Error pages are created when:
PostScript 3 implementation
Chapter 5 - Adobe® PostScript® 3™ 53
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