Removed all non-specified use of `stream-input-buffer' because it's very slow (consing up a brand new array).
Removed all non-specified use of `stream-input-buffer' because it's
very slow (consing up a brand new array).

slyrus/mcclim,swflint/McCLIM,swflint/McCLIM,onixie/mcclim,onixie/mcclim,antifuchs/mcclim,onixie/mcclim,antifuchs/mcclim,slyrus/mcclim,swflint/McCLIM