Only the include of sys/wait.h tests HAVE_SYS_WAIT_H.

[gnu-emacs] / lispref / frames.texi

diff --git a/lispref/frames.texi b/lispref/frames.texi
index d36d97cd1b30be2d90f07d0b4e49b5530e0dbad3..2bd97ffbf8e007c495dbda17bc7a99f7924cf163 100644 (file)
--- a/lispref/frames.texi
+++ b/lispref/frames.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Emacs Lisp Reference Manual.
-@c Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999
+@c Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2002
 @c   Free Software Foundation, Inc. 
 @c See the file elisp.texi for copying conditions.
 @setfilename ../info/frames
@@ -250,7 +250,7 @@ If these settings affect the frame geometry and appearance, you'll see
 the frame appear with the wrong ones and then change to the specified
 ones.  If that bothers you, you can specify the same geometry and
 appearance with X resources; those do take effect before the frame is
-created.  @xref{Resources X,, X Resources, emacs, The GNU Emacs Manual}.
+created.  @xref{X Resources,, X Resources, emacs, The GNU Emacs Manual}.
 
 X resource settings typically apply to all frames.  If you want to
 specify some X resources solely for the sake of the initial frame, and
@@ -520,8 +520,10 @@ The way to display the cursor.  The legitimate values are @code{bar},
 @code{box}, and @code{(bar . @var{width})}.  The symbol @code{box}
 specifies an ordinary black box overlaying the character after point;
 that is the default.  The symbol @code{bar} specifies a vertical bar
-between characters as the cursor.  @code{(bar . @var{width})} specifies
-a bar @var{width} pixels wide.
+between characters as the cursor.  @code{(bar . @var{width})}
+specifies a bar @var{width} pixels wide.  The symbol @code{hbar}
+specifies a horizontal bar, an underscore-like cursor.  @code{(hbar .
+@var{width})} specifiles a horizontal bar @var{width} pixels high.
 
 @vindex cursor-type
 The buffer-local variable @code{cursor-type} overrides the value of
@@ -1657,7 +1659,7 @@ resources for application names other than ``Emacs'' by binding this
 variable to some other string, around a call to @code{x-get-resource}.
 @end defvar
 
-  @xref{Resources X,, X Resources, emacs, The GNU Emacs Manual}.
+  @xref{X Resources,, X Resources, emacs, The GNU Emacs Manual}.
 
 @node Display Feature Testing
 @section Display Feature Testing
@@ -1715,6 +1717,33 @@ This function returns @code{t} if the screen can display shades of gray.
 (All color displays can do this.)
 @end defun
 
+@anchor{Display Face Attribute Testing}
+@defun display-supports-face-attributes-p attributes &optional display
+@tindex display-supports-face-attributes-p
+This function returns non-@code{nil} if all the face attributes in
+@var{attributes} are supported (@pxref{Face Attributes}).
+
+The definition of `supported' is somewhat heuristic, but basically
+means that a face containing all the attributes in @var{attributes},
+when merged with the default face for display, can be represented in a
+way that's
+
+@enumerate
+@item
+different in appearance than the default face, and
+
+@item
+`close in spirit' to what the attributes specify, if not exact.
+@end enumerate
+
+Point (2) implies that a @code{:weight black} attribute will be
+satisfied by any display that can display bold, as will
+@code{:foreground "yellow"} as long as some yellowish color can be
+displayed, but @code{:slant italic} will @emph{not} be satisfied by
+the tty display code's automatic substitution of a `dim' face for
+italic.
+@end defun
+
 @defun display-selections-p &optional display
 @tindex display-selections-p
 This function returns @code{t} if @var{display} supports selections.