* [a38e4bb]->[6f5e418] mbsinit: Don't crash for a NULL argument.
* [cca34e7]->[1b94e03] mbsinit: Work around mingw bug.
* [a035a8d]->[2bbd452] mbrtowc: Work around native Windows bug.
+ * [f6a5a12]->[c7a1790] Don't interfere with a program's definition of __attribute__.
__NEXTCOMMITMARKER__
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