sym_after2       2001 src/extlib.c   static ScmObj sym_after2 = SCM_UNBOUND;
sym_after2       2033 src/extlib.c     else if (mode == sym_after2)   retmode = SCM_STRING_SCAN_AFTER2;
sym_after2       6138 src/extlib.c     sym_after2 = Scm_Intern(&sym_after2__NAME);