Pascal Report  201  (c)  It is  able to  recognize violations of the  standard that are  not  specifically called errors,  reports  such violations to the user,  and  prevents execution of the program.  (d)  It  handles each violation that is specifically called an error in one of  the following ways.  1.  It  states in its documentation that the error is not reported.  2.  It reports during program preparation that the error is  possible or inevitable; in the presence of such a report, the  processor is able to continue further processing and is  able to refuse execution, at the user's option.  3.  It  reports  during  program  preparation  that  the  error  occurred; in the presence of such an error, the processor  terminates execution.  When an error occurs within a  statement, the statement does not complete execution.  (e)  It  is able to process as an error any use of an extension or of an  implementation-dependent feature.  (D  It is accompanied by a document that contains the following.  1. A definition of all implementation-defined features.  2. A section that describes all errors that are not reported (see  d.1, above).  If  an extension makes use of a condition that  is specified by the standard to be an error and thus the  error is not reported, then the document must state that the  error is not reported.  3. A section that describes all extensions supported by the  implementation. 