On Fri, 20 Apr 2001, David Brown wrote:

> 
> Ocaml appears to only have one copy of each string.  When you rot13 the
> string, it overwrite the constant.  This toggles.
> 
> An easy fix is to copy the string before changing the characters:
> 
> let rot13_str str =
>   let str = String.copy str in
>   for i ...

Works perfectly, thanks!

Markus Kliegl

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