Gareth Rees 1be5d945f2 Implement some string procedures: string?, make-string, string, string-length, string-ref, string-set!, substring, string-append, string-copy. ... Copied from Perforce Change: 179990 ServerID: perforce.ravenbrook.com		2012-10-21 19:59:47 +01:00
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scheme	Implement some string procedures: string?, make-string, string, string-length, string-ref, string-set!, substring, string-append, string-copy.	2012-10-21 19:59:47 +01:00