Reword explanation of global statement since an undeclared global is a

free variable and is subject to those rules.
This commit is contained in:
Jeremy Hylton 2002-04-01 21:25:32 +00:00
parent f0c1f1badb
commit f3255c8540

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@ -719,9 +719,9 @@ information.
The \keyword{global} statement is a declaration which holds for the
entire current code block. It means that the listed identifiers are to be
interpreted as globals. While \emph{using} global names is automatic
if they are not defined in the local scope, \emph{assigning} to global
names would be impossible without \keyword{global}.
interpreted as globals. It would be impossible to assign to a global
variable without \keyword{global}, although free variables may refer
to globals without being declared global.
\indexiii{global}{name}{binding}
Names listed in a \keyword{global} statement must not be used in the same