[css2] Added sample for use in introduction. Added missing field for 'speak'

--HG--
extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%401928

Author: bert-github

css2/properties/properties.db

@@ -1,5 +1,14 @@
 # 7 fields: Name;; Values;; Initial value;; Applies to;; Inherited?;;Percentage values;; media groups;; CSS level (2 and/or 2.1)
 
+/* property-name;;
+ legal values & syntax;;
+ initial value;;
+ elements this property applies to;;
+ whether the property is inherited;;
+ how percentage values are interpreted;;
+ which media groups the property applies to;;
+ 2 2.1 */
+
 /* margin-right margin-left;; <margin-width> | inherit;; 0 ;; *;; no;; refer to width of containing block ;; visual;; 2 2.1 */
 
 /* margin-top margin-bottom;; <margin-width> | inherit;; 0 ;; all elements but inline, non-replaced elements;; no;; refer to width of containing block ;; visual;; 2 2.1 */
@@ -241,7 +250,8 @@ x-loud | inherit;;
    medium;; *;; yes;; refer to inherited value;; aural;; 2
 */
 
-/* speak;; normal | none | spell-out | inherit;; normal;; *;; yes;; N/A ;; aural*/
+/* speak;; normal | none | spell-out | inherit;; normal;; *;; yes;; N/A ;; aural;; 2 */
+
 /* pause-before;; <time> | <percentage> | inherit;; depends on user agent;;
    *;; no;; see prose ;; aural;; 2
 */