Error message for 'ambiguous overload for operator>>' in gcc 4.1.0

[am611@tiscali.co.uk]

Thanks for the various comments; my conclusions:
- The problem was caused by erroneous use of 'const'. Now resolved.
- The same error msg does occur in gcc 3.3.5, but in my case had been masked
by a (long) cast
   e.g. the line
   str >> (long) pal.used;
   does not get flagged as an error.
- It would have been easier to solve if the error message had flagged the
incorrect use of 'const'.
I must gen up on 'const' a bit...

AM


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