String-ref, string-set!, vector-ref, and vector-set! index must be integer.
String-ref, string-set!, vector-ref, and vector-set! index must be integer.

R5RS compliance fix. Fixes bug #42 reported in the SourgeForge bug tracker.


git-svn-id: a31a0a224e030a1397f947541697f433f9e022f5@117 4a0124f5-7288-4c88-8df5-efb20b5748ad

barak/tinyscheme,barak/tinyscheme