Allow setting a default encoding to ease str/unicode <-> c string conversion.
Default encoding test.
c89 fix
Merge remote-tracking branch 'main/master'
fix type analysis bug
Cleanup default encoding.
support 'default' encoding
multiple-choice directive type
Docs for c_string_type and c_string_encoding
.# Please enter the commit message for your changes. Lines starting
Merge remote-tracking branch 'main/master'

Conflicts:
	Cython/Compiler/Options.py