Distinguish between local and global symbol macros for SETQ.
Replace old exported SYMBOL-MACRO-INFO by local/global variants.
Distinguish betwen local and global symbol macros.
Create global symbol macro as appropriate.
Handle local/global symbol macros.  Expand SETQ variable when appropriate.
Add locally defined environment query functions as component.
Handle local/global symbol macros.
Test that variable of SETQ is not expanded by global symbol macro.