Document ERR and OK
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@ -1026,6 +1026,17 @@ length \var{n} consisting of the character \var{ch}.
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The \module{curses} module defines the following data members:
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\begin{datadesc}{ERR}
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Some curses routines that return an integer, such as
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\function{getch()}, return ERR upon failure.
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\end{datadesc}
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\begin{datadesc}{OK}
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Some curses routines that return an integer, such as
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\function{napms()}, return OK upon success.
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\end{datadesc}
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\begin{datadesc}{version}
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A string representing the current version of the module.
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Also available as \constant{__version__}.
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