(gdb-var-list, gdb-var-changed, gdb-update-flag)

(gdb-var-list, gdb-var-changed, gdb-update-flag)
(gdb-update-flag): New variables.
(gdb-var-update, gdb-var-update-handler,gdb-var-delete)
(gdb-speedbar-expand-node, gdb-var-evaluate-expression-handler)
(gud-watch, gdb-var-create-handler) : New functions.
(gdb-var-list-children, gdb-var-list-children-handler)
(gdb-var-create-regexp, gdb-var-update-regexp)
(gdb-var-list-children-regexp): New constants.
(gud-gdba-command-name): Don't specify -noasync so that GDB/MI
works.
(gdb-annotation-rules): Reduced annotation set (level 3).
(gdb-pre-prompt, gdb-prompt): Call handler in gdb-prompt.
(gdb-post-prompt): Don't update GDB buffers every time speedbar
updates.
(gdb-window-height, gdb-window-width, gdb-display-in-progress)
(gdb-expression-buffer-name, gdb-display-number, gdb-point)
(gdb-dive-display-number, gdb-nesting-level, gdb-expression)
(gdb-annotation-arg, gdb-dive-map, gdb-values, gdb-array-start)
(gdb-array-stop, gdb-array-slice-map, gdb-display-string)
(gdb-array-size, gdb-display-mode-map, gdb-expressions-mode-map):
(gdb-expressions-mode-menu, gdb-dive): Remove variables.
(gud-display, gud-display1)
(gdb-display-begin,gdb-display-number-end, gdb-delete-line)
(gdb-display-end, gdb-display-go-back, gdb-array-section-end)
(gdb-field-begin, gdb-field-end, gdb-elt,gdb-field-format-begin)
(gdb-field-format-end, gdb-dive, gdb-dive-new-frame)
(gdb-insert-field, gdb-array-format, gdb-mouse-array-slice)
(gdb-array-slice, gdb-array-format1, gdb-info-display-custom)
(gdb-delete-frames, gdb-display-mode, gdb-display-buffer-name)
(gdb-display-display-buffer, gdb-toggle-display)
(gdb-delete-display, gdb-expressions-popup-menu)
(gdb-expressions-mode, gdb-array-visualise): Remove functions.
(gdb-setup-windows, gdb-reset, gdb-source-info): Remove references
to display buffer.