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	unsigned char.
	(demangle_unqualified_name): Likewise.
	(demangle_number_literally): Likewise.
	(demangle_type): Likewise.
	(demangle_substitution): Likewise.
	(is_mangled_char): Likewise, for isalnum.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34411 138bc75d-0d04-0410-961f-82ee72b054a4