Fix for 93177, r/sr=pavlov,ben

layout/xul/base/src/nsBoxFrame.cpp

@@ -679,6 +679,10 @@ nsBoxFrame::GetInitialDirection(PRBool& aIsNormal)
   if (NS_CONTENT_ATTR_HAS_VALUE == content->GetAttribute(kNameSpaceID_None, nsXULAtoms::dir, value)) {
     if (value.EqualsIgnoreCase("reverse"))
       aIsNormal = !aIsNormal; // Invert our direction.
+    else if (value.EqualsIgnoreCase("ltr"))
+      aIsNormal = PR_TRUE;
+    else if (value.EqualsIgnoreCase("rtl"))
+      aIsNormal = PR_FALSE;
   }
 }
 

themes/modern/global/globalBindings.xml

@@ -27,7 +27,7 @@
   <binding id="button" extends="chrome://global/content/bindings/button.xml#button-base">
     <content>
       <children includes="observes|template|menupopup|tooltip"/>
-      <xul:box class="box-inherit" orient="horizontal" dir="normal" flex="1">
+      <xul:box class="box-inherit" orient="horizontal" dir="ltr" flex="1">
         <xul:vbox class="button-box-left" dir="normal" inherits="default,disabled">
           <xul:spring class="button-left-top" inherits="default,disabled"/>
           <xul:spring class="button-left-mid" inherits="default,disabled" flex="1"/>