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Imported from ../bash-3.0.16.tar.gz.
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@@ -5953,7 +5953,8 @@ The @code{trap} builtin displays signal names without the leading
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@item
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The @code{trap} builtin doesn't check the first argument for a possible
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signal specification and revert the signal handling to the original
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disposition if it is. If users want to reset the handler for a given
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disposition if it is, unless that argument consists solely of digits and
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is a valid signal number. If users want to reset the handler for a given
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signal to the original disposition, they should use @samp{-} as the
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first argument.
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