From cb4c69121a7ca4db4748a78a16d87aaadb3aa9fa Mon Sep 17 00:00:00 2001
From: Ivan Timofeev <timofeev.i.s@gmail.com>
Date: Sat, 21 Jul 2012 12:37:19 +0400
Subject: fdo#38887: SmNodeToTextVisitor: use braces for nested scripts

Though it is unclear why everything is wrapped into SmExpressionNode. But still
it is so, the patch will work.

Change-Id: Ib62f1a148c737ad110f659f73181ed51e02b8594
---
 starmath/source/visitors.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/starmath/source/visitors.cxx b/starmath/source/visitors.cxx
index 2722e4e045c7..9c279702d057 100644
--- a/starmath/source/visitors.cxx
+++ b/starmath/source/visitors.cxx
@@ -2504,6 +2504,12 @@ void SmNodeToTextVisitor::Visit( SmLineNode* pNode )
 void SmNodeToTextVisitor::Visit( SmExpressionNode* pNode )
 {
     bool bracketsNeeded = pNode->GetNumSubNodes() != 1 || pNode->GetSubNode(0)->GetType() == NBINHOR;
+    // nested subsups
+    bracketsNeeded |=
+        pNode->GetParent()->GetType() == NSUBSUP &&
+        pNode->GetNumSubNodes() == 1 &&
+        pNode->GetSubNode(0)->GetType() == NSUBSUP;
+
     if (bracketsNeeded) {
         Append( "{ " );
     }
-- 
cgit