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Improve the documentation of a recent change

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* etc/NEWS:
* doc/lispref/sequences.texi (Sequence Functions): Improve
documentation of 'seq-union'.
This commit is contained in:
Eli Zaretskii 2021-09-17 15:03:53 +03:00
parent 3e5298fc96
commit 3848e2727e
2 changed files with 7 additions and 4 deletions
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8
doc/lispref/sequences.texi
View file

@ -957,9 +957,11 @@ contain less elements than @var{n}. @var{n} must be an integer. If
@cindex sequences, union of
@cindex union of sequences
This function returns a list of the elements that appear either in
@var{sequence1} or @var{sequence2}. If the optional argument
@var{function} is non-@code{nil}, it is a function of two arguments to
use to compare elements instead of the default @code{equal}.
@var{sequence1} or @var{sequence2}. The elements of the returned list
are all unique, in the sense that no two elements there will compare
equal. If the optional argument @var{function} is non-@code{nil}, it
should be a function of two arguments to use to compare elements,
instead of the default @code{equal}.
@example
@group

3
etc/NEWS
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@ -3858,7 +3858,8 @@ supporting Lisp files when 'require' is unsuitable.
+++
** New function 'seq-union'.
This function takes two sequences and returns a list of all elements
that appear in either of them.
that appear in either of them, with no two elements that compare equal
appearing in the result.
+++
** New function 'syntax-class-to-char'.