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| author | Luc Teirlinck <teirllm@auburn.edu> | 2004-04-17 00:52:46 +0000 |
|---|---|---|
| committer | Luc Teirlinck <teirllm@auburn.edu> | 2004-04-17 00:52:46 +0000 |
| commit | 948caddf0be648b04ce072ed2750977b8bab5c4e (patch) | |
| tree | b382ced662aae9a4c05f30fc04b9918ae0094211 /lispref/lists.texi | |
| parent | da879ae8709e8521849feb05e7c45bbd760d4a19 (diff) | |
Add anchors. Some other minor changes.
Diffstat (limited to 'lispref/lists.texi')
| -rw-r--r-- | lispref/lists.texi | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lispref/lists.texi b/lispref/lists.texi index 41b3918de0..7c369633c2 100644 --- a/lispref/lists.texi +++ b/lispref/lists.texi @@ -327,6 +327,7 @@ x @end example @end defmac +@anchor{Definition of nth} @defun nth n list This function returns the @var{n}th element of @var{list}. Elements are numbered starting with zero, so the @sc{car} of @var{list} is @@ -391,6 +392,7 @@ this link is the list's last element. If @var{list} is null, if @var{n} is bigger than @var{list}'s length. @end defun +@anchor{Definition of safe-length} @defun safe-length list This function returns the length of @var{list}, with no risk of either an error or an infinite loop. @@ -565,7 +567,7 @@ object. The final argument is not copied or converted; it becomes the @sc{cdr} of the last cons cell in the new list. If the final argument is itself a list, then its elements become in effect elements of the result list. If the final element is not a list, the result is a -``dotted list'' since its final @sc{cdr} is not @code{nil} as required +dotted list since its final @sc{cdr} is not @code{nil} as required in a true list. In Emacs 20 and before, the @code{append} function also allowed @@ -708,7 +710,7 @@ x @end defun @defun copy-tree tree &optional vecp -This function returns a copy the tree @code{tree}. If @var{tree} is a +This function returns a copy of the tree @code{tree}. If @var{tree} is a cons cell, this makes a new cons cell with the same @sc{car} and @sc{cdr}, then recursively copies the @sc{car} and @sc{cdr} in the same way. @@ -732,7 +734,7 @@ All arguments can be integers or floating point numbers. However, floating point arguments can be tricky, because floating point arithmetic is inexact. For instance, depending on the machine, it may quite well happen that @code{(number-sequence 0.4 0.6 0.2)} returns -the one element list @code{(0.4)}, whereas +the one element list @code{(0.4)}, whereas @code{(number-sequence 0.4 0.8 0.2)} returns a list with three elements. The @var{n}th element of the list is computed by the exact formula @code{(+ @var{from} (* @var{n} @var{separation}))}. Thus, if |