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* doc/lispref/lists.texi (Sets And Lists): Mention cl provides union etc.

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Glenn Morris 2011-05-18 23:59:50 -07:00
parent 35a30759f3
commit bc8410afd8
2 changed files with 7 additions and 3 deletions
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doc/lispref/ChangeLog
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@ -1,3 +1,7 @@
2011-05-19 Glenn Morris <rgm@gnu.org>
* lists.texi (Sets And Lists): Mention cl provides union etc.
2011-05-19 Nix <nix@esperi.org.uk>
* windows.texi (Displaying Buffers): pop-to-buffer is not a command.

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doc/lispref/lists.texi
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@ -1266,9 +1266,9 @@ functions for sets include @code{memq} and @code{delq}, and their
@cindex CL note---lack @code{union}, @code{intersection}
@quotation
@b{Common Lisp note:} Common Lisp has functions @code{union} (which
avoids duplicate elements) and @code{intersection} for set operations,
but GNU Emacs Lisp does not have them. You can write them in Lisp if
you wish.
avoids duplicate elements) and @code{intersection} for set operations.
Although standard GNU Emacs Lisp does not have them, the @file{cl}
library provides versions. @inforef{Top, Overview, cl}.
@end quotation
@defun memq object list