Sometimes emacspeak reads the previous help

[José Vilmar Estácio de Souza <vilmar@xxxxxxxxxxx>]

Hi all.
I do not know if this is a bug or is by design.
To reproduce try the following steps:
1. Launch emacs together with emacspeak.
2. Press C-h f and type emacspeak-wizards-pdf-open.
Emacspeak will announce the documentation associated with emacspeak-wizards-pdf-open function.
3. Press C-h k C-e y, assuming that C-e y is not bounded to a command.
In my machine emacspeak announce the help associated with the
emacspeak-wizards-pdf-open function.

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