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Diffstat (limited to 'doc/lispref/lists.texi')
| -rw-r--r-- | doc/lispref/lists.texi | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/doc/lispref/lists.texi b/doc/lispref/lists.texi index a509325854f..22a5f7f1239 100644 --- a/doc/lispref/lists.texi +++ b/doc/lispref/lists.texi @@ -1224,7 +1224,15 @@ x @end example However, the other arguments (all but the last) should be mutable -lists. +lists. They can be dotted lists, whose last @sc{cdr}s are then +replaced with the next argument: + +@example +@group +(nconc (cons 1 2) (cons 3 (cons 4 5)) 'z) + @result{} (1 3 4 . z) +@end group +@end example A common pitfall is to use a constant list as a non-last argument to @code{nconc}. If you do this, the resulting behavior is undefined |