* packages/debbugs/debbugs-gnu.el (top): Declare buffer-local variables.
(debbugs-gnu-limit): Rename from `debbugs-gnu-current-limit'.
(debbugs-gnu-current-suppress): Move up.
(debbugs-gnu-search, debbugs-gnu, debbugs-gnu-show-reports)
(debbugs-gnu-print-entry, debbugs-gnu-rescan, debbugs-gnu-mode)
(debbugs-gnu-toggle-suppress, debbugs-gnu-display-status)
(debbugs-gnu-bugs): No special code needed anymore for
distinguishing global and local variable values.
(debbugs-gnu-show-reports): Handle the case an attribute is nil.
(debbugs-gnu-bug-triage-file): New defconst.
(debbugs-gnu-menu-map-emacs-enabled)
(debbugs-gnu-menu-map-bug-triage-enabled)
(debbugs-gnu-view-bug-triage): New defuns.
(debbugs-gnu-mode-map): Further entries in menu-map.
(debbugs-gnu-current-query): Remove function.