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-rw-r--r--doc/lispref/sequences.texi8
1 files changed, 5 insertions, 3 deletions
diff --git a/doc/lispref/sequences.texi b/doc/lispref/sequences.texi
index b98889eb099..6a6f4d5c82e 100644
--- a/doc/lispref/sequences.texi
+++ b/doc/lispref/sequences.texi
@@ -63,7 +63,8 @@ But it is possible to add elements to the list, or remove elements.
@defun sequencep object
This function returns @code{t} if @var{object} is a list, vector,
-string, bool-vector, or char-table, @code{nil} otherwise.
+string, bool-vector, or char-table, @code{nil} otherwise. See also
+@code{seqp} below.
@end defun
@defun length sequence
@@ -479,7 +480,8 @@ built-in sequence types, @code{seq-length} behaves like @code{length}.
@defun seqp object
This function returns non-@code{nil} if @var{object} is a sequence
(a list or array), or any additional type of sequence defined via
-@file{seq.el} generic functions.
+@file{seq.el} generic functions. This is an extensible variant of
+@code{sequencep}.
@example
@group
@@ -1355,7 +1357,7 @@ each initialized to @var{object}.
@defun vconcat &rest sequences
@cindex copying vectors
This function returns a new vector containing all the elements of
-@var{sequences}. The arguments @var{sequences} may be true lists,
+@var{sequences}. The arguments @var{sequences} may be proper lists,
vectors, strings or bool-vectors. If no @var{sequences} are given,
the empty vector is returned.