bind makes each procedure it goes into read-only and ignores read-only
procedures (PLRM 3rd ed., bind). The reader bound them again, so a prolog
that binds a procedure holding an earlier-bound one, after defining a name
such as M as an operator, turned that procedure's own variable M into
setmiterlimit. Ghostscript's eps2write prolog does this, and its files with
sampled functions (transfer, black generation) failed to open.
Don Omondi
06a035e86b