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Diffstat (limited to 'doc/lispref/variables.texi')
| -rw-r--r-- | doc/lispref/variables.texi | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/lispref/variables.texi b/doc/lispref/variables.texi index 1e357754abe..35eb4d59fb0 100644 --- a/doc/lispref/variables.texi +++ b/doc/lispref/variables.texi @@ -1229,6 +1229,10 @@ This function returns non-@code{nil} if @var{symbol} is a special variable (i.e., it has a @code{defvar}, @code{defcustom}, or @code{defconst} variable definition). Otherwise, the return value is @code{nil}. + +Note that since this is a function, it can only return +non-@code{nil} for variables which are permanently special, but not +for those that are only special in the current lexical scope. @end defun The use of a special variable as a formal argument in a function is |