The code for handling character constants
in datalists in ncgen has some problems.
1. It failed on large constants
2. It did not handle e.g. var = 'a', 'b', ...
in the same way that ncgen3 did.
3. The code for generate.c and genchar.c needed
some refactoring to make it a little simpler
(but not simple).
Ncgen is unable to resolve
ambiguous references to an enum
constant when two different enums
have same econstant name.
Solved by allowing more specific
forms for econstant references.
1. /.../enumname.enumconstname
2. enumname.enumconstname
3. enumconstname
Case 1 is resolved by using the econstant
in the specific enum definition. If none is
found, an error is reported.
Case 2 is resolved by
1. finding an enclosing group with an
enum definition with the specified name
and containing the specified econstant.
If there are more than one, then an error is reported
2. finding all enum definitions in the dataset that have
the specified enum name and contain the specified
econstant. If more than one is found, then an error is reported.
If the above two methods fail, then report an error.
Case 3 is similar to case 2, but all enums, irrespective
of name are used if they contains the specified enum constant.
The ref_tst_econst.cdl test in ncdump is causing ncdump
to fail. So there may be yet some problem.
implementation. Deleted obsolete win32, soon to be replaced by Ward's
Windows 32- and 64-bit fixes for building with MSYS/MinGW. Made
cosmetic cleanup to output of "make check" to make it easier for users
to interpret. Fixed bug NCF-175: ncdump -t incorrectly interpreting
units attribute (such as "days") without a base time (such as "since
2007-01-01") as a time unit.
Changed name to 4.2.1-beta.
