squeeze_history.rb: so this somehow fixed half of HISTORY problem:
squeeze_history.rb: so this somehow fixed half of HISTORY problem:

this works on using ripl from the command line, because it's the
top level one. but it won't work embedded in a program that use
Ripl.anchor to invoke ripl, because there's no top level one...
so history would never be written nor read

godfat/ripl-rc,godfat/rib