87371 - make size of preferences dialog localizable

r=vishy, sr=hyatt

xpfe/components/prefwindow/resources/content/pref.xul

@@ -16,7 +16,7 @@
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
         title="&prefWindow.title;" 
         orient="vertical" class="dialog"
-        style="width: 52em; height: 41em;"
+        style="&prefWindow.size;"
         onload="Startup();"
         persist="screenX screenY"> 
 

xpfe/components/prefwindow/resources/locale/en-US/pref.dtd

@@ -4,3 +4,9 @@
 <!ENTITY  prefWindow.title            "Preferences">
 <!ENTITY  categoryHeader              "Category">
 
+<!-- LOCALIZATION NOTE : this is part of an inline-style attribute on the
+     preference dialog's <window> node, which specifies the width and height
+     in em units of the dialog. Increase these widths if you are having
+     difficulty getting panel content to fit. 1em = the width of the 
+     letter 'm' in the selected font -->
+<!ENTITY  prefWindow.size             "width: 52em; height: 41em;">