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Patch #940026: Explain "in" when it is first used.

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Backported to 2.3.
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Martin v. Löwis 2004-05-06 01:35:45 +00:00
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Doc/tut/tut.tex
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@ -1428,6 +1428,9 @@ This function can be called either like this:
\code{ask_ok('Do you really want to quit?')} or like this:
\code{ask_ok('OK to overwrite the file?', 2)}.
This example also introduces the \keyword{in} keyword. This tests
whether or not a sequence contains a certain value.
The default values are evaluated at the point of function definition
in the \emph{defining} scope, so that