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Diffstat (limited to 'doc/lispref/variables.texi')
| -rw-r--r-- | doc/lispref/variables.texi | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/doc/lispref/variables.texi b/doc/lispref/variables.texi index 091765043e3..b0a6795021b 100644 --- a/doc/lispref/variables.texi +++ b/doc/lispref/variables.texi @@ -1,6 +1,6 @@ @c -*-texinfo-*- @c This is part of the GNU Emacs Lisp Reference Manual. -@c Copyright (C) 1990-1995, 1998-2011 Free Software Foundation, Inc. +@c Copyright (C) 1990-1995, 1998-2012 Free Software Foundation, Inc. @c See the file elisp.texi for copying conditions. @setfilename ../../info/variables @node Variables, Functions, Control Structures, Top @@ -1351,7 +1351,10 @@ needed if you use the @var{local} argument to @code{add-hook} or @deffn Command make-variable-buffer-local variable This function marks @var{variable} (a symbol) automatically buffer-local, so that any subsequent attempt to set it will make it -local to the current buffer at the time. +local to the current buffer at the time. Unlike +@code{make-local-variable}, with which it is often confused, this +cannot be undone, and affects the behavior of the variable in all +buffers. A peculiar wrinkle of this feature is that binding the variable (with @code{let} or other binding constructs) does not create a buffer-local @@ -1829,6 +1832,15 @@ function works by calling @code{dir-locals-set-class-variables} and @code{dir-locals-set-directory-class}, described below. @end defun +@defun hack-dir-local-variables-non-file-buffer +This function looks for directory-local variables, and immediately +applies them in the current buffer. It is intended to be called in +the mode commands for non-file buffers, such as Dired buffers, to let +them obey directory-local variable settings. For non-file buffers, +Emacs looks for directory-local variables in @code{default-directory} +and its parent directories. +@end defun + @defun dir-locals-set-class-variables class variables This function defines a set of variable settings for the named @var{class}, which is a symbol. You can later assign the class to one @@ -1998,6 +2010,6 @@ This variable holds a list of all variables of type @code{DEFVAR_BOOL}. Attempting to assign them any other value will result in an error: @example -(setq window-min-height 5.0) -@error{} Wrong type argument: integerp, 5.0 +(setq undo-limit 1000.0) +@error{} Wrong type argument: integerp, 1000.0 @end example |