Exit TAUSCXP2: Additional processing during SCLM project initialization

Exit TAUSCXP2 is invoked whenever the SCLM Attachment accesses or changes an SCLM project definition for the first time. For example, use this exit to set specific environment variables (ISPF shared pool or profile variables) relating to an SCLM project and SCLM project definition.

This is intended for the case where a custom-developed SCLM translator and SCLM exit uses environment variables that are set outside of SCLM.  As long as values of the environment variables are not dependent on the SCLM project definition, Micro Focus recommends using the general exit TAUTOXAI instead of its SCLM exit.