non-@code{nil} (the default value), Emacs uses
@code{font-lock-warning-face} to highlight values that have recently
changed and @code{shadow} face to make variables which have gone out of
-scope less noticeable.
+scope less noticeable. When a variable goes out of scope you can't
+edit its value.
@vindex gdb-use-colon-colon-notation
If the variable @code{gdb-use-colon-colon-notation} is
for variables defined in compound statements, the default value is
@code{nil}.
+@vindex gdb-speedbar-auto-raise
+To automatically raise the speedbar every time the display of watch
+expressions updates, set @code{gdb-speedbar-auto-raise} to
+non-@code{nil}. This can be useful if you are debugging with a full
+screen Emacs frame.
+
@node Other GDB User Interface Buffers
@subsubsection Other Buffers