/[guile]/guile/guile-core/NEWS
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revision 1.340 by mvo, Tue May 7 18:10:50 2002 UTC revision 1.341 by mvo, Thu May 9 19:35:32 2002 UTC
# Line 20  debugging evaluator gives better error m Line 20  debugging evaluator gives better error m
20    
21  * Changes to Scheme functions and syntax  * Changes to Scheme functions and syntax
22    
23    ** New function 'unsetenv'.
24    
25  ** There is support for Infinity and NaNs.  ** There is support for Infinity and NaNs.
26    
27  Following PLT Scheme, Guile can now work with infinite numbers, and  Following PLT Scheme, Guile can now work with infinite numbers, and
# Line 45  For example Line 47  For example
47      (/ 0)      (/ 0)
48      ERROR: Numerical overflow      ERROR: Numerical overflow
49    
50    Two new predicates 'inf?' and 'nan?' can be used to test for the
51    special values.
52    
53  ** We now have uninterned symbols.  ** We now have uninterned symbols.
54    
55  The new function 'make-symbol' will return a uninterned symbol.  This  The new function 'make-symbol' will return a uninterned symbol.  This

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