Macro variables that are used in your program are also collected in memory, but other
global statements, such as the X command, are not collected. Macros that are compiled
during the program execution are stored in a Work directory, and that directory is copied
as part of the PROC PRESENV execution.
Syntax: PRESENV Procedure
Requirement:You must set the PRESENV system option to PRESENV (the default is
NOPRESENV) to preserve the global statements. PROC PRESENV then saves a
copy of those global statements to a file that you specify. Global statements are
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