ictx              676 src/write.c            ScmWriteContext ictx;
ictx              677 src/write.c            ictx.mode = SCM_WRITE_DISPLAY;
ictx              678 src/write.c            ictx.flags = 0;
ictx              679 src/write.c            format_write(arg, out, &ictx, FALSE);