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Update documentation of 'indirect-function'

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* doc/lispref/eval.texi (Function Indirection): Update the
documentation of 'indirect-function'.
This commit is contained in:
Eli Zaretskii 2016-01-10 20:22:01 +02:00
parent c6a5314302
commit 6ad0d39680
2 changed files with 7 additions and 6 deletions
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11
doc/lispref/eval.texi
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@ -328,13 +328,12 @@ This function returns the meaning of @var{function} as a function. If
definition and starts over with that value. If @var{function} is not a definition and starts over with that value. If @var{function} is not a
symbol, then it returns @var{function} itself. symbol, then it returns @var{function} itself.
This function signals a @code{void-function} error if the final symbol This function returns @code{nil} if the final symbol is unbound. It
is unbound and optional argument @var{noerror} is @code{nil} or signals a @code{cyclic-function-indirection} error if there is a loop
omitted. Otherwise, if @var{noerror} is non-@code{nil}, it returns in the chain of symbols.
@code{nil} if the final symbol is unbound.
It signals a @code{cyclic-function-indirection} error if there is a The optional argument @var{noerror} is obsolete, kept for backward
loop in the chain of symbols. compatibility, and has no effect.
Here is how you could define @code{indirect-function} in Lisp: Here is how you could define @code{indirect-function} in Lisp:

2
etc/NEWS
View file

@ -1202,10 +1202,12 @@ to the special value `dragging' in the body of the form.
has any effect. (This change was made in Emacs 24.4 but was not has any effect. (This change was made in Emacs 24.4 but was not
advertised at the time.) advertised at the time.)
+++
** `indirect-function' does not signal `void-function' any more. ** `indirect-function' does not signal `void-function' any more.
This is mostly a bug-fix, since this change was missed back in 24.4 when This is mostly a bug-fix, since this change was missed back in 24.4 when
symbol-function was changed not to signal `void-function' any more. symbol-function was changed not to signal `void-function' any more.
+++
*** As a consequence, the second arg of `indirect-function' is now obsolete. *** As a consequence, the second arg of `indirect-function' is now obsolete.
** Comint, term, and compile do not set the EMACS env var any more. ** Comint, term, and compile do not set the EMACS env var any more.