offapi: improve some Settings documentation

Change-Id: Ic63adf85d096cb51f43e5a54453d43ad02792a99

offapi/com/sun/star/document/Settings.idl

@@ -184,8 +184,13 @@ published service Settings
     [optional, property] boolean IsPrintBookletBack;
 
     // Draw and Impress
-    // Note: Define a constant group for that?
-    /**
+    /** how printing uses color.
+
+        <ul>
+        <li>0: Default</li>
+        <li>1: Grayscale</li>
+        <li>2: Black &amp; White (with grayscale images)</li>
+        </ul>
      */
     [optional, property] long PrintQuality;
 

offapi/com/sun/star/drawing/DocumentSettings.idl

@@ -71,11 +71,15 @@ published service DocumentSettings
     [optional, property] boolean IsPrintTilePage;
 
     /** is the number format used for page number fields
+
+        Values 0-7 are supported.
+
+        @see com::sun::star::style::NumberingType
      */
     [optional, property] long PageNumberFormat;
 
     /** If this is true, the distance between two paragraphs is
-        the sum of ParaTopMargin of the previous and ParaBottomMargin of
+        the sum of ParaBottomMargin of the previous and ParaTopMargin of
         the next paragraph. If false, only the greater of the two is
         chosen.
      */

offapi/com/sun/star/presentation/DocumentSettings.idl

@@ -82,11 +82,15 @@ published service DocumentSettings
     [optional, property] boolean IsPrintTilePage;
 
     /** is the number format used for page number fields
+
+        Values 0-7 are supported.
+
+        @see com::sun::star::style::NumberingType
      */
     [optional, property] long PageNumberFormat;
 
     /** If this is true, the distance between two paragraphs is
-        the sum of ParaTopMargin of the previous and ParaBottomMargin of
+        the sum of ParaBottomMargin of the previous and ParaTopMargin of
         the next paragraph. If false, only the greater of the two is
         chosen.
      */