HP Pascal/iX Programmer's Guide (31502-90023)

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of entire modules a second time.
A module's export declaration specifies the constants, data types,
variables, functions, and procedures that it exports to the modules or
programs that import it. A module defines its exportable routines in its
implement part.
A module's implement part defines constants, data types, variables, and
routines. The routines are accessible only to the module itself, unless
they are exported in the export declaration.
Example