2013-12-23 Xue Fuqiao <xfq.free@gmail.com>
+ * eval.texi (Special Forms): Document `special-form-p'.
+
+ * macros.texi (Simple Macro): Document `macrop'.
+
* files.texi (Changing Files): Fix an argument of `copy-file'.
* strings.texi (Creating Strings): Document TRIM in `split-string'.
expression, so Emacs may signal an error, or may return 3 or 4 or
@code{nil}, or may behave in other ways.
+@defun special-form-p object
+This predicate tests whether its argument is a special form, and
+returns @code{t} if so, @code{nil} otherwise.
+@end defun
+
Here is a list, in alphabetical order, of all of the special forms in
Emacs Lisp with a reference to where each is described.
returns this expansion, Lisp proceeds to evaluate it, thus incrementing
@code{x}.
+@defun macrop object
+This predicate tests whether its argument is a macro, and returns
+@code{t} if so, @code{nil} otherwise.
+@end defun
+
@node Expansion
@section Expansion of a Macro Call
@cindex expansion of macros
PRESERVE-EXTENDED-ATTRIBUTES as it now handles both SELinux context
and ACL entries.
++++
*** The function `file-ownership-preserved-p' now has an optional
argument GROUP which causes it check for file group too. This can be
used in place of the 9th element of `file-attributes'.
-
*** The function `set-visited-file-modtime' now accepts a 0 or -1
argument, with the same interpretation as the returned value of
`visited-file-modtime'.
set (defface, custom, or user spec), and it directly sets the relevant
property using the supplied face spec.
++++
*** New function `add-face-text-property', which can be used to
conveniently prepend/append new face properties.
*** New face characteristic (supports :underline (:style wave))
specifies whether or not the terminal can display a wavy line.
++++
*** New face spec attribute :distant-foreground
specifies foreground to use if background color is near the foreground
color that would otherwise have been used.
** `time-to-seconds' is not obsolete any more.
++++
** New functions `special-form-p' and `macrop'.
** Docstrings can be made dynamic by adding a `dynamic-docstring-function'