GridPrinter: Add xml docs for the GridPrintPreviewDialog.

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@8649 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/gridprinter/source/gridprnpreviewform.pas

@@ -206,6 +206,7 @@ const
   SPACE_CHECKMARK = '    ' + CHECKMARK;
 
 { Returns true when X1 is in range between X2-Delta and X2+Delta. }
+
 function InRange(X1, X2, Delta: Integer): Boolean; inline;
 begin
   Result := (X1 >= X2-Delta) and (X1 <= X2+Delta);
@@ -213,6 +214,7 @@ end;
 
 { Returns X if it is in the range between X1 and X2, otherwise either X1 or X2,
   depending on wheter X is <X1 or >X2. }
+
 function EnsureRange(X, X1, X2: Integer): Integer;
 begin
   if X < X1 then
@@ -226,6 +228,7 @@ end;
 
 { Appends a checkmark to the given caption string if AEnable is true.
   Meant to better show the checked state of menu items having icons. }
+
 function MarkAsChecked(ACaption: String; AEnable: Boolean): String;
 begin
   if AEnable then