[Newbies] A Preference for the substrings glitch?

[Kirk Fraser]

The subStrings command walks back when reading a .txt or .html. file that
has some UTF8 characters apparently.  The File List tool does not show any
strange characters in the files which subStrings errors on.  Thus I hope
the dichotomy of behaviors may be resolved by a preference setting.

Or is it just a permanent glitch I must write my own subStrings command to
get around?

Dan Ingalls called Squeak a sandbox.  I think the sandbox needs cleaning.
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