diff options
Diffstat (limited to 'doc/lispref/variables.texi')
| -rw-r--r-- | doc/lispref/variables.texi | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/doc/lispref/variables.texi b/doc/lispref/variables.texi index a1d1919b4bf..d2247004bcb 100644 --- a/doc/lispref/variables.texi +++ b/doc/lispref/variables.texi @@ -1695,12 +1695,14 @@ buffer-local variables interactively. @end deffn @cindex local variables, killed by major mode -@defun kill-all-local-variables +@defun kill-all-local-variables &optional kill-permanent This function eliminates all the buffer-local variable bindings of the -current buffer except for variables marked as permanent and local -hook functions that have a non-@code{nil} @code{permanent-local-hook} -property (@pxref{Setting Hooks}). As a result, the buffer will see -the default values of most variables. +current buffer. As a result, the buffer will see the default values +of most variables. By default, for variables marked as permanent and +local hook functions that have a non-@code{nil} +@code{permanent-local-hook} property (@pxref{Setting Hooks}) won't be +killed, but if the optional @var{kill-permanent} argument is +non-@code{nil}, even these variables will be killed. This function also resets certain other information pertaining to the buffer: it sets the local keymap to @code{nil}, the syntax table to the |