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* etc/NEWS (Function type declaration): Better warn about UB.

scratch/lisp-func-type-decls
Andrea Corallo 2024-05-02 12:15:30 +02:00
parent 8e1e8099aa
commit 17cdb512c0
1 changed files with 4 additions and 3 deletions
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7
doc/lispref/functions.texi
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@ -2750,9 +2750,10 @@ argument of type @var{string} and return one of the symbols
More types are described in @pxref{Lisp Data Types}.
Declaring a function with an incorrect type produces undefined behavior.
Note also that when redefining (or advising) a type declared function
the replacement should respect the original signature to avoid undefined
Declaring a function with an incorrect type produces undefined behavior
and could lead to unexpected results or might even crash Emacs. Note
also that when redefining (or advising) a type declared function the
replacement should respect the original signature to avoid undefined
behavior.
@item no-font-lock-keyword