[css2] adding three issues after whiteboard discussions with Bert

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extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%40172

Author: howcom

css2/issues.db

@@ -7,4 +7,7 @@ Setting language based on CLASS (or other attributes) by using style sheet rules
 Explain "matching selector" better	-	http://lists.w3.org/Archives/Public/www-style/msg08529.html	22 Sep 1997	-	no
 Add 'inherit' as a permitted value to all properties.	-	http://lists.w3.org/Archives/Member/w3c-css-wg/1997JulSep/0265.html	23 Sep 1997	-	no
 Add selector syntax for "only child" and "last child"	-	http://lists.w3.org/Archives/Member/w3c-css-wg/1997JulSep/0262.html	23 Sep 1997	-	no
-	Can "0" also mean "0%" or "0s"? E.g., "pause" doesn't accept a length	Personal communication Philippe Le Hegaret	23 Sep 1997	-	no
+Can "0" also mean "0%" or "0s"? E.g., "pause" doesn't accept a length	Personal communication Philippe Le Hegaret	23 Sep 1997	-	no
+Add 'fixed' as a value on 'position'. The effect will be analogous to the 'fixed' value on 'background'	-	-	27 Sep 1997	-	no
+Clarify that the shape of the "box coordinate system" is rectangular	-	-	27 Sep 1997	-	no
+Keep 'avoid' value on 'page-break-before' property	-	-	27 Sep 1997	-	no