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

loewis · loewis · commit f1f056083247 · 2004-05-06T01:35:45.000Z
Backported to 2.3.
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex
@@ -1428,6 +1428,9 @@ \subsection{Default Argument Values \label{defaultArgs}}
 \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
 
