cp-demangle.c (demangle_name): Initialize template_p in local name case.
* cp-demangle.c (demangle_name): Initialize template_p in local
name case. Don't re-add substitutions as candidates.
(demangle_nested_name): Use <unqualified-name>.
(demangle_prefix): Likewise. Don't add template names as
substitution candidates twice, or re-add a substitution or the
last prefix component.
(demangle_local_name): Adjust output format.