diff options
Diffstat (limited to 'doc/lispref')
| -rw-r--r-- | doc/lispref/positions.texi | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/lispref/positions.texi b/doc/lispref/positions.texi index e74a165b9ed..3d769bfe78a 100644 --- a/doc/lispref/positions.texi +++ b/doc/lispref/positions.texi @@ -1169,7 +1169,8 @@ saved bounds. In that case it is equivalent to @cindex labeled narrowing @cindex labeled restriction -When the optional argument @var{label}, a symbol, is present, the +When the optional argument @var{label}, which is evaluated to get the +label to use and must yield a non-@code{nil} value, is present, the narrowing is @dfn{labeled}. A labeled narrowing differs from a non-labeled one in several ways: |