Add a new `vtable' face

* doc/misc/vtable.texi (Introduction): Document it.

* lisp/emacs-lisp/vtable.el (vtable): Add a new face.

doc/misc/vtable.texi

@@ -88,9 +88,9 @@ Here's just about the simplest vtable that can be created:
             ("Gazonk" 45)))
 @end lisp
 
-By default, vtable uses the @code{variable-pitch} font, and
+By default, vtable uses the @code{vtable} face (which inherits from
-right-aligns columns that have only numerical data (and left-aligns
+the @code{variable-pitch} face), and right-aligns columns that have
-the rest).
+only numerical data (and left-aligns the rest).
 
 You'd normally want to name the columns:
 
@@ -383,9 +383,9 @@ there are several tables in the same buffer, then this should be
 @code{nil}.
 
 @item :face
-The face to be used.  This defaults to @code{variable-pitch}.  This
+The face to be used.  This defaults to @code{vtable}.  This face
-face doesn't override the faces in the data, or the faces supplied by
+doesn't override the faces in the data, or the faces supplied by the
-the getter and formatter functions.
+getter and formatter functions.
 
 @item :column-colors
 If present, this should be a list of color names to be used as the

lisp/emacs-lisp/vtable.el

@@ -28,6 +28,12 @@
 (require 'text-property-search)
 (require 'mule-util)
 
+(defface vtable
+  '((t :inherit variable-pitch))
+  "Face used (by default) for vtables."
+  :version "29.1"
+  :group 'faces)
+
 (cl-defstruct vtable-column
   "A vtable column."
   name
@@ -79,7 +85,7 @@
                             formatter
                             displayer
                             (use-header-line t)
-                            (face 'variable-pitch)
+                            (face 'vtable)
                             actions keymap
                             (separator-width 1)
                             sort-by