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| -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 | |||
| 1229 | variable (i.e., it has a @code{defvar}, @code{defcustom}, or | 1229 | variable (i.e., it has a @code{defvar}, @code{defcustom}, or |
| 1230 | @code{defconst} variable definition). Otherwise, the return value is | 1230 | @code{defconst} variable definition). Otherwise, the return value is |
| 1231 | @code{nil}. | 1231 | @code{nil}. |
| 1232 | |||
| 1233 | Note that since this is a function, it can only return | ||
| 1234 | non-@code{nil} for variables which are permanently special, but not | ||
| 1235 | for those that are only special in the current lexical scope. | ||
| 1232 | @end defun | 1236 | @end defun |
| 1233 | 1237 | ||
| 1234 | The use of a special variable as a formal argument in a function is | 1238 | The use of a special variable as a formal argument in a function is |