* defs.h (is_cplus_marker, set_demangling_style): Moved to ...

	* defs.h (is_cplus_marker, set_demangling_style): Moved to ...
	* gdb-demangle.h: ... here.  New file.
	* demangle.c: #include "gdb-demangle.h".
	(_initialize_demangler): Use initialize_file_ftype for prototype.
	Move "set demangle" and "set asm-demangle" parameters here from utils.c
	(demangle, show_demangle, asm_demangle, show_asm_demangle): Move here
	from utils.c
	* utils.c: Update. #include "gdb-demangle.h".
	* symtab.h (asm_demangle): Delete.
	(demangle): Move declaration next to use.
	* breakpoint.c: #include "gdb-demangle.h" instead of "demangle.h".
	* dwarf2read.c: #include "gdb-demangle.h".
	* gnu-v2-abi.c: Ditto.
	* jv-typeprint.c: Ditto.
	* mdebugread.c: Ditto.
	* p-typeprint.c: Ditto.
	* stabsread.c: Ditto.
	* printcmd.c: Ditto.
	(asm_demangle): Delete declaration.
	* tui/tui-stack.c: #include "gdb-demangle.h".