Forgot to add this hunk:
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diff --git a/qemu-options.hx b/qemu-options.hx
index 91144d9..455f1ef 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2450,7 +2450,8 @@ Immediately enable events listed in @var{file}.
The file must contain one event name (as listed in the @var{trace-events} file)
per line.
-This option is only available when using the @var{simple} tracing backend.
+This option is only available when using the @var{simple} and @var{stderr}
+tracing backends.
@item file=@var{file}
Log output traces to @var{file}.
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--
"And it's much the same thing with knowledge, for whenever you learn
something new, the whole world becomes that much richer."
-- The Princess of Pure Reason, as told by Norton Juster in The Phantom
Tollbooth
