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changeset 8542:ef2dfe33e5b5

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stmt.txi: unwind_protect doc fix
author John W. Eaton <jwe@octave.org>
date Tue, 20 Jan 2009 10:52:34 -0500
parents d2cf983bdc9d
children fda06702bf71
files doc/interpreter/stmt.txi
diffstat 1 files changed, 6 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/doc/interpreter/stmt.txi
+++ b/doc/interpreter/stmt.txi
@@ -782,7 +782,8 @@
 This is useful to protect temporary changes to global variables from
 possible errors.  For example, the following code will always restore
 the original value of the global variable @code{frobnositcate}
-even if an error occurs while performing the indexing operation.
+even if an error occurs in the first part of the @code{unwind_protect}
+block.
 
 @example
 @group
@@ -798,9 +799,10 @@
 
 @noindent
 Without @code{unwind_protect}, the value of @var{frobnosticate}
-would not be restored if an error occurs while performing the indexing
-operation because evaluation would stop at the point of the error and
-the statement to restore the value would not be executed.
+would not be restored if an error occurs while evaluating the first part
+of the @code{unwind_protect} block because evaluation would stop at the
+point of the error and the statement to restore the value would not be
+executed.
 
 @node The try Statement
 @section The @code{try} Statement