diff options
Diffstat (limited to 'src/interp/i-syscmd.boot')
| -rw-r--r-- | src/interp/i-syscmd.boot | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/interp/i-syscmd.boot b/src/interp/i-syscmd.boot index 9af626d0..66f72f73 100644 --- a/src/interp/i-syscmd.boot +++ b/src/interp/i-syscmd.boot @@ -1,6 +1,6 @@ -- Copyright (c) 1991-2002, The Numerical Algorithms Group Ltd. -- All rights reserved. --- Copyright (C) 2007-2010, Gabriel Dos Reis. +-- Copyright (C) 2007-2011, Gabriel Dos Reis. -- All rights reserved. -- -- Redistribution and use in source and binary forms, with or without @@ -2647,7 +2647,7 @@ undo(l) == first l if IDENTP n then n := readInteger PNAME n - if not FIXP n then userError '"undo argument must be an integer" + if not integer? n then userError '"undo argument must be an integer" $InteractiveFrame := undoSteps(undoCount n,undoWhen) nil |