MAGICFREE        1868 src/gmalloc.c  #define MAGICFREE	(SIZE_MAX / 17 ^ SIZE_MAX / 19 << 4)
MAGICFREE        1855 test/manual/etags/c-src/emacs/src/gmalloc.c #define MAGICFREE	(SIZE_MAX / 17 ^ SIZE_MAX / 19 << 4)