I'd be a lot more comfortable if the run-time system and compiler (and everything else needed for cross-compilation -- SF, *parser, &c.) didn't exhibit this subtle issue. In any case, I thought the point of STRING-HEAD! was to reduce pressure on the garbage collector, not to reduce the time spent switching between Scheme land and C land, and we can reduce pressure on the garbage collector just by using the primitive SET-STRING-MAXIMUM-LENGTH! if it's available.
Sorry for belabouring this point -- I just don't want to get bitten by this later on, e.g. if someone ever changes anything in the compiler to use string ports. _______________________________________________ MIT-Scheme-devel mailing list MIT-Scheme-devel@gnu.org http://lists.gnu.org/mailman/listinfo/mit-scheme-devel
