For this reason, the caller must ensure that calls to these
functions are paired within the same function,
and at the same lexical nesting level.
-(In other words, a clean-up handler is only established
+(In other words, a clean-up handler is established only
during the execution of a specified section of code.)
Calling
functions \fIare\fP implemented as macros that expand to text
containing \(aq\fB{\fP\(aq and \(aq\fB}\fP\(aq, respectively.
This means that variables declared within the scope of
-paired calls to these functions will only be visible within that scope.
+paired calls to these functions will be visible within only that scope.
POSIX.1
.\" The text was actually added in the 2004 TC2